CN107405517A

CN107405517A - The method for forming golf clubs head assembly

Info

Publication number: CN107405517A
Application number: CN201680016094.9A
Authority: CN
Inventors: 马休·W·西蒙; 埃文·R·格里尔; 赖恩·M·斯托克
Original assignee: Karsten Manufacturing Corp
Current assignee: Karsten Manufacturing Corp
Priority date: 2015-02-17
Filing date: 2016-02-17
Publication date: 2017-11-28
Anticipated expiration: 2036-02-17
Also published as: JP6514353B2; GB201713677D0; CN107405517B; WO2016134029A1; KR102523722B1; CN109999446B; KR102656960B1; KR20170118159A; JP2018505742A; GB2550802B; GB2550802A; CN109999446A; KR20230057476A

Abstract

The method for forming golf clubs head assembly, it includes：Panel is set to be alignd with the recess of club head；Panel is soldered to club head；Then, after panel is welded, club head and panel are heated at least to the solid solubility temperature of panel, and kept for the scheduled time；Then, after heating club head and panel, cool down club head and panel air.

Description

The method for forming golf clubs head assembly

The cross reference of related application

The application is that Shen is continued in the part for No. 14/624,488 U.S. Patent application submitted for 17 days 2 months in 2015 Please, entire contents are fully incorporated herein by quoting.

Background technology

The present invention relates to golf clubs, in particular it relates to form the method for golf clubs head assembly.

Conventional golf club head assembly includes being soldered to the panel of club head.Panel omits circular in shape, to be height Golf ball provides more straight and/or longer range, even in impact ball eccentric relative to panel.Panel has raised chi It is very little or from toe end to the curvature of heel end and scroll size or from crown edges to the curvature of bottom margin.

By referring to the detailed description and the accompanying drawings, each aspect of the present invention can be apparent from understandable.

Brief description of the drawings

Fig. 1 is the stereogram of club head and panel.

Fig. 2 is the stereogram for the club head for eliminating panel.

Fig. 3 is the top view of club head assembly.

Fig. 4 is side sectional view of Fig. 3 club head assembly along section 4-4.

Fig. 5 is the side view of Fig. 3 club head assembly.

Fig. 6 is the schematic diagram for forming the process of golf clubs head assembly.

Fig. 7 is the figure for showing the raised measurement of experiment carried out to the panel for undergoing various heat treatment processes and scroll measurement Table.

Fig. 8 is to show the chart measured the experiment scroll that the panel with various geometric shapes is carried out.

Fig. 9 is the figure for showing the raised measurement of experiment carried out to the panel for undergoing various heat treatment processes and scroll measurement Table.

Figure 10 is to show the chart that the experiment durability carried out to the panel formed with various materials measures.

Figure 11 A are not annealed T9S micro-structurals.Figure 11 B are annealed T-9S micro-structurals.Figure 11 C stress/ Strain curve shows the unstable yield strength of not annealed T-9S alloys.Figure 11 D stress/strain curves are shown The more stable yield strength of annealed T-9S alloys.

Figure 12 is Ti-Al phasors.

Figure 13 is shown to being closed by the Ti 6-4 alloys with heat treatment and unused heat treatment and the T-9S with heat treatment The raised measurement of experiment and the chart of scroll measurement that panel made of gold is carried out.

Figure 14 is the phasor of the position mark with T-9S alloys and Ti 6-4 alloys.

Figure 15 is shown by the Ti 6-4 alloys of unused heat treatment and the various T9S alloys Jing Guo different heat treatment Panel by impact 100 times and 1000 times after percentage offset chart.

Before any embodiment of the present invention is explained in detail, it should be understood that application of the invention is not limited to following The detailed configuration and arrangement of the part shown in stated in explanation or accompanying drawing.The present invention can carry out other embodiment, with And it can be practiced or carried out in a variety of ways.Additionally, it should be understood that phrase used herein and term are in order at description Purpose, and be not construed as limiting." include/including (including/comprising) " used herein and " have (having) " and its modification, refer to be included in items listed thereafter and its equivalent and addition item.Institute described below It is total weight percent to have percentage by weight (wt%) number.

It is described in detail

Fig. 1 to Fig. 3 shows glof club head 10 and panel 14.In one embodiment, glof club head 10 Formed by founding materials, and panel 14 is formed by rolling stock.In addition, in the embodiments shown in the figures, golf Club head 10 is kicked off bar for metal；In other embodiments, glof club head 10 is used for Fairway Woods；In other implementations In mode, glof club head 10 is used for mixed pole；In other embodiments, glof club head 10 is used for iron.Club First 10 may also include socket and socket transition part (being shown as 18).For example, socket can be located at heel end 34 or close to heel end 34. Socket can extend via socket transition part 18 from club head 10.In order to form golf clubs, socket can receive the of shaft 20 One end.Shaft 20 can be by adhesive bonding process (for example, epoxy resin) and/or other suitable cohesive process (for example, machinery Formula combination, soldering, welding and/or brazing) it is fixed to glof club head 10.In addition, handle (not shown) can be fixed to shaft Golf clubs is completed at 20 the second end.

As shown in Fig. 2 club head 10 also includes being used for recess or the opening 22 for receiving panel 14.In the embodiment party of diagram In formula, opening 22 includes the lips 26 extended around the circumference of opening 22.Panel 14 and register, and adjacent lips 26.Panel 14 forms club head assembly 30 by being welded and fixed to club head 10.In one embodiment, welding is pulse Plasma welding procedure.

Panel 14 includes heel end 34 and the toe end 38 relative with heel end 34.Heel end 34 is disposed proximate to socket Divide (socket and socket transition part 18), shaft 20 (Fig. 1) is connected to club head assembly 30 in socket office.Panel 14 also includes Crown edges 42 and the bottom margin 46 relative with crown edges 42.Crown edges 42 are disposed adjacent to the top of club head 10 Edge, and bottom margin 46 is disposed adjacent to the lower edge of club head 10.As shown in figure 3, panel 14 is in heel end 34 and toe end There is convex curvature on the direction extended between 38.As shown in Figure 4 and Figure 5, panel 14 is also in crown edges 42 and bottom margin There is scroll curvature on the direction extended between 46.In one embodiment, panel can have following minimum wall thickness (MINI W.)：1.5 milli Rice, 1.4 millimeters, 1.3 millimeters, 1.2 millimeters, 1.1 millimeters, 1.0 millimeters, 0.9 millimeter, 0.8 millimeter, 0.7 millimeter, 0.6 millimeter, 0.5 millimeter and 0.4 millimeter.In one embodiment, panel can have 0.7 millimeter of minimum wall thickness (MINI W.).

Panel 14 is formed by titanium alloy.In one embodiment, panel 14 is alpha-beta titanium (alpha-beta Ti) alloy.The alpha-beta Ti alloys can include the neutral alloying element of such as tin and α-stabilizer of such as aluminium and oxygen.The alpha-beta Ti alloys can include all Such as β-stabilizer of molybdenum, silicon and vanadium.All numerals described below on percentage by weight are total weight percent (wt%).The total weight percent of α-stabilizer aluminium can be in alpha-beta Ti alloys：2wt% to 10wt%, 3wt% to 9wt%, 4wt% to 8wt%, 5wt% are to 7wt%, and 2wt% to 20wt%, 3wt% to 19wt%, 4wt% to 18wt%, 5wt% are extremely 17wt%, 6wt% are to 16wt%, and 7wt% to 15wt%, 8wt% to 14wt%, 9wt% to 13wt%, 10wt% are extremely 12wt%, 7wt% are to 9wt%, 7wt% to 10wt%, 7wt% to 11wt%, 7wt% to 12wt%, 7wt% to 13wt%, 7wt% to 14wt%, 7wt% are to 15wt%, and 7wt% to 16wt%, 7wt% to 17wt%, 7wt% to 18wt%, 7wt% are extremely 19wt%, 7wt% are to 20wt%, 8wt% to 10wt%, 8wt% to 11wt%, 8wt% to 12wt%, 8wt% to 13wt%, 8wt% to 14wt%, 8wt% are to 15wt%, and 8wt% to 16wt%, 8wt% to 17wt%, 8wt% to 18wt%, 8wt% are extremely 19wt%, 8wt% are to 20wt%, 9wt% to 11wt%, 9wt% to 12wt%, 9wt% to 13wt%, 9wt% to 14wt%, 9wt% to 15wt%, 9wt% are to 16wt%, and 9wt% to 17wt%, 9wt% to 18wt%, 9wt% to 19wt%, 9wt% are extremely 20wt%, 10wt% are to 13wt%, and 10wt% to 14wt%, 10wt% to 15wt%, 10wt% to 16wt%, 10wt% are extremely 17wt%, 10wt% are to 18wt%, and 10wt% to 19wt%, 10wt% to 20wt%, 11wt% to 13wt%, 11wt% are extremely 14wt%, 11wt% are to 15wt%, and 11wt% to 16wt%, 11wt% to 17wt%, 11wt% to 18wt%, 11wt% are extremely 19wt%, 11wt% are to 20wt%, and 12wt% to 14wt%, 12wt% to 15wt%, 12wt% to 16wt%, 12wt% are extremely 17wt%, 12wt% are to 18wt%, and 12wt% to 19wt%, 12wt% to 20wt%, 13wt% to 15wt%, 13wt% are extremely 16wt%, 13wt% are to 17wt%, and 13wt% to 18wt%, 13wt% to 19wt%, 13wt% to 20wt%, 14wt% are extremely 16wt%, 14wt% are to 17wt%, and 14wt% to 18wt%, 14wt% to 19wt%, 14wt% to 20wt%, 15wt% are extremely 17wt%, 15wt% are to 18wt%, and 15wt% to 19wt%, 15wt% to 20wt%, 16wt% to 18wt%, 16wt% are extremely 19wt%, 16wt% are to 20wt%, 17wt% to 19wt%, 17wt% to 20wt%, or 18wt% to 20wt%.In some realities Apply in mode, the total weight percent of α-stabilizer aluminium can be in alpha-beta Ti alloys：7wt% to 13wt%, 8wt% to 13wt%, 9wt% to 13wt%, 10wt% are to 13wt%, 11wt% to 13wt%, or 12wt% to 13wt%.α in alpha-beta Ti alloys-steady Determining the total weight percent of agent oxygen can be：0.05wt% to 0.35wt% or 0.10wt% to 0.20wt%.In alpha-beta Ti alloys The total weight percent of β-stabilizer molybdenum can be：0.2wt% to 1.0wt%, or 0.6wt% to 0.8wt%, or it is micro.α-β The total weight percent of β-stabilizer vanadium can be in Ti alloys：1.5wt% to 7wt% or 3.5wt% to 4.5wt%.α-βTi The total weight percent of β-stabilizer silicon can be in alloy：0.01wt% to 0.10wt% or 0.03wt% to 0.07wt%.α- β Ti alloys can be Ti-6Al-4V (or Ti 6-4), Ti-9S (or T-9S), Ti-662, Ti-8-1-1, Ti-65K, Ti-6246 Or IMI 550.The combination of alpha stabilizers, β stabilizers allows to be heat-treated alpha-beta Ti alloys.

In one embodiment, after panel 14 is soldered into club head 10, club head 10 and panel 14 can be added Heat is kept for the time of scheduled volume to being equal to, slightly above or temperature higher than panel solid solubility temperature (solvus temperature). In another embodiment, after panel 14 is soldered into club head 10, it can be equal to, be slightly above or be dissolved higher than alpha-beta Ti At a temperature of temperature, club head assembly 30 is heat-treated to the time of scheduled volume.In another embodiment, welded by panel 14 To club head 10, can be equal to, slightly above or higher than alpha-beta Ti solid solubility temperatures at a temperature of, at the heat of club head assembly 30 Manage the time of scheduled volume.In addition, during the step, inert gas can be pumped to the heating for accommodating club head assembly 30 Room, to remove all oxygen after the time of scheduled volume discussed below is undergone.As discussed below, in cooling club head group After part 30, extra inert gas pumped back can be allowed club head assembly 30 to be cooled to the interior of room temperature.

As described above, after heating club head component 30 (or panel 14 after club head 10 and welding), make club head Component 30 is cooled to room temperature.In another embodiment, after the heat treatment, club head assembly 30 can be made to carry out air cooling, Slowly to reduce the temperature of club head assembly.The cooling of club head assembly 30, can be in inert gas environment or non-receiving environment (dew My god) in carry out.In another embodiment, club head assembly 30 can be made to be cooled down in inert gas, slowly to reduce club head The temperature of component and protoxydic chance drops.Inert gas may be selected from：Nitrogen (N), argon (Ar), helium (He), neon (Ne), krypton (Kr) And xenon (Xe) or their mixed gas.Be heated to being equal to, slightly above or higher than alpha-beta Ti solid solubility temperatures after, can be by inertia Gas pumped back accommodate bar assembly 30 in the room of vacuum, this ensures oxygen is not present, so as to prevent titanium panel 14 and club head Surface 10 aoxidizes.

It is that the solid solubility temperature of alloy is that less component molecules are dissolved in the material as understood by persons of ordinary skill Temperature barrier when in general matrix and becoming to be more easy to move.The solid solubility temperature of most of alpha-beta Ti alloys is it has been determined that and be easy to Obtained in scientific paper or the information as disclosed in material supplier.If disclosed data can not be obtained, due to the temperature value Depending on the chemical property of material, therefore simultaneously experimental verification temperature value can be estimated.Alpha-beta Ti solid solubility temperature can be：Higher than 400 DEG C And less than 600 DEG C, higher than 400 DEG C and less than 1180 DEG C.In some embodiments, the solid solubility temperature of alpha-beta Ti alloys can be： 500 DEG C to 1030 DEG C, 680 DEG C to 1030 DEG C, 760 DEG C to 1030 DEG C, 870 DEG C to 1030 DEG C, 895 DEG C to 1030 DEG C or 960 DEG C To 1030 DEG C.

In one embodiment, alpha-beta Ti can be Ti 6-4, and it includes 6wt% aluminium (Al) and 4wt% vanadium (V), Remaining alloying component is titanium and some possible trace elements.In some embodiments, Ti 6-4 are included：5.5wt% is extremely 6.75wt% Al, 3.5wt% to 4.5wt% V, up to 0.08wt% carbon (C), up to 0.03wt% silicon (Si) 0.3wt% iron (Fe), up to 0.2wt% oxygen (O), up to 0.015wt% tin (Sn) and micro-, are up to The molybdenum (Mo) of amount, remaining alloying component are titanium.In some embodiments, Ti 6-4 are included：5.5wt% is to 6.75wt%'s Al, 3.5wt% to 4.5wt% V, 0.08wt% or less carbon (C), 0.03wt% or less silicon (Si), 0.3wt% or Less iron (Fe), 0.2wt% or less oxygen (O), 0.015wt% or less tin (Sn) and micro molybdenum (Mo), remain Remaining alloying component is titanium.Ti 6-4 are 5 grades of titaniums.Ti 6-4 solid solubility temperature is 540 DEG C to 560 DEG C.In some embodiments, Ti 6-4 density is 0.1597lb/in³(4.37g/cc).Ti-6-4 is also referred to as T-65K.

In other embodiments, the panel 14 of glof club head 10 can be another alpha-beta Ti alloys, such as Ti- 9S (or T-9S), it includes 8wt% Al, 1wt% V and 0.2wt% silicon, and remaining alloying component is titanium and possible one Secondary element slightly.In some embodiments, Ti-9S (or T-9S) is included：6.5wt% to 8.5wt% Al, 1wt% is extremely 2wt% V, up to 0.08wt% C, up to 0.2wt% Si, up to 0.3wt% Fe, up to 0.2wt% O, up to 0.05wt% N, micro Mo and micro Sn, remaining alloying component is titanium.In some embodiments, Ti-9S (or T-9S) is included：6.5wt% to 8.5wt% Al, 1wt% to 2wt% V, the C less than 0.1wt%, it is up to 0.2wt% Si, up to 0.4wt% Fe, up to 0.15wt% O, the N less than 0.05wt%, micro Mo and Micro Sn, remaining alloying component are titaniums.In some embodiments, Ti-9S (or T-9S) is included:6.5wt% to 8.5wt% Al, 1wt% to 2wt% V, 0.1wt% or less C, 0.2wt% or less Si, 0.4wt% or less Fe, 0.15wt% or less O, the N less than 0.05wt%, micro Mo and micro Sn, remaining alloying component are titanium.Ti-9S The solid solubility temperature of (or T-9S) is 560 DEG C to 590 DEG C.In some embodiments, Ti-9S (or T-9S) will have than Ti 8- Porosity higher 1-1 and lower yield strength.Ti-9S (or T-9S) density is about 0.156lb/in³Extremely 0.157lb/in³(4.32g/cc to 4.35g/cc).Ti-9S (or T-9S) density is 0.156lb/in³(4.32g/cc)。

In other embodiments, the material can be another alpha-beta Ti alloys, such as Ti-6-6-2, Ti-6246 or IMI 550.Titanium 662 can include：6wt% Al, 6wt% V and 2wt% Sn, remaining alloying component are titanium and may Some trace element.Ti-6-6-2 density is 0.164lb/in³(4.54g/cc).Ti 662 solid solubility temperature is 540 DEG C To 560 DEG C.Titanium 6246 can include：6wt% Al, 2wt% Sn, 4wt% zirconium (Zr) and 6wt% Mo, remaining alloy Composition is titanium and some possible trace elements.Ti 6246 solid solubility temperature is 570 DEG C to 590 DEG C.Ti-6246 density For 0.168lb/in³(4.65g/cc).IMI 550 can be included：6wt% Al, 2wt% Sn, 4wt% Mo and 0.5wt% Si, remaining alloying component are titanium and some possible trace elements.IMI 550 solid solubility temperature be 490 DEG C extremely 510℃.IMI 550 density is 0.157lb/in³(4.60g/cc)。

In other embodiments, the material can be another alpha-beta Ti alloys, and such as Ti-8-1-1, it can be included： 8wt% Al, 1.0wt% Mo and 1wt% V, remaining alloying component are titanium and some possible trace elements.One In a little embodiments, Ti-8-1-1 can be included：7.5wt% to 8.5wt% Al, 0.75wt% to 1.25wt% Mo, 0.75wt% to 1.25wt% V, up to 0.08wt% C, up to 0.3wt% Fe, up to 0.12wt% O, Up to 0.05wt% N, up to 0.015wt% H, up to 0.015wt% Sn and micro Si, remaining alloy Composition is titanium.Ti-8-1-1 solid solubility temperature is 560 DEG C to 590 DEG C.In some embodiments, Ti-8-1-1 density is 0.1580lb/in³(4.37g/cc)。

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 7wt% to 8wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 500 DEG C to 720 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 8wt% to 9wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 680 DEG C to 810 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 9wt% to 10wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 760 DEG C to 895 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 10wt% to 11wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 870 DEG C to 910 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 11wt% to 12wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 890 DEG C to 980 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 12wt% to 13wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 960 DEG C to 1030 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 13wt% to 14wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 980 DEG C to 1070 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 14wt% to 15wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 1030 DEG C to 1100 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 16wt% to 17wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 1100 DEG C to 1140 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 17wt% to 18wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 1140 DEG C to 1150 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 18wt% to 19wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 1150 DEG C to 1180 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 19wt% to 20wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 1170 DEG C to 1180 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 7wt% to 13wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 500 DEG C to 1030 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 8wt% to 13wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 680 DEG C to 1030 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 9wt% to 13wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 760 DEG C to 1030 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 10wt% to 13wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 870 DEG C to 1030 DEG C.

In other embodiments, the material can be another alpha-beta Ti alloys, and it includes 11wt% to 13wt%'s Al, remaining alloying component are titanium and other α-and β-stabilizer.Alpha-beta Ti solid solubility temperature is 890 DEG C to 1030 DEG C.

Fig. 6 shows the process for forming club head assembly 30.In first step 62, make panel 14 relative to club First 10 alignment.Second step 66 is related to is soldered to club head 10 by panel 14.In third step 70, by club head 10 and panel 14 are heated to the temperature of the solid solubility temperature equal to or higher than the material of panel 14.Finally, in four steps 74, air cooling club First 10 and panel 14.

In one embodiment, in third step 70, in the temperature of the solid solubility temperature equal to or higher than alpha-beta Ti alloys Under, heat treatment 1 hour to 6 hours is carried out to club head assembly 30.In one embodiment, in third step 70, waiting In or higher than alpha-beta Ti alloys solid solubility temperature at a temperature of, to club head assembly 30 carry out heat treatment 1 hour to 2 hours.One In individual embodiment, in third step 70, at a temperature of equal to or higher than the solid solubility temperature of alpha-beta Ti alloys, to club head Component 30 carries out heat treatment 1 hour to 4 hours.In one embodiment, in third step 70, equal to or higher than alpha-beta At a temperature of the solid solubility temperature of Ti alloys, heat treatment 4 hours to 6 hours is carried out to club head assembly 30.In an embodiment In, in third step 70, at a temperature of equal to or higher than the solid solubility temperature of alpha-beta Ti alloys, club head assembly 30 is carried out Heat treatment 1.5 hours to 5.5 hours.In one embodiment, in third step 70, equal to or higher than alpha-beta Ti alloys Solid solubility temperature at a temperature of, to club head assembly 30 carry out heat treatment 2 hours to 5 hours.In one embodiment, In three steps 70, at a temperature of equal to or higher than the solid solubility temperature of alpha-beta Ti alloys, club head assembly 30 is heat-treated 2.5 hours to 4.5 hours.In one embodiment, in third step 70, in the solid solution equal to or higher than alpha-beta Ti alloys At a temperature of temperature, club head assembly 30 is heat-treated 3 hours to 4 hours.

In one embodiment, in third step 70, in the temperature of the solid solubility temperature equal to or higher than alpha-beta Ti alloys Under, club head assembly 30 is heat-treated at least 1 hour.In one embodiment, in third step 70, being equal to or At a temperature of solid solubility temperature higher than alpha-beta Ti alloys, club head assembly 30 is heat-treated at least 1.5 hours.In a reality Apply in mode, in third step 70, at a temperature of equal to or higher than the solid solubility temperature of alpha-beta Ti alloys, to club head assembly 30 are heat-treated at least 2 hours.In one embodiment, in third step 70, equal to or higher than alpha-beta Ti alloys At a temperature of solid solubility temperature, club head assembly 30 is heat-treated at least 2.5 hours.In one embodiment, the 3rd In step 70, at a temperature of equal to or higher than the solid solubility temperature of alpha-beta Ti alloys, club head assembly 30 is heat-treated at least 3 hours.In one embodiment, in third step 70, in the temperature of the solid solubility temperature equal to or higher than alpha-beta Ti alloys Under, club head assembly 30 is heat-treated at least 3.5 hours.In one embodiment, in third step 70, equal to Or at a temperature of the solid solubility temperature higher than alpha-beta Ti alloys, club head assembly 30 is heat-treated at least 4 hours.In a reality Apply in mode, in third step 70, at a temperature of equal to or higher than the solid solubility temperature of alpha-beta Ti alloys, to club head assembly 30 are heat-treated at least 4.5 hours.In one embodiment, in third step 70, equal to or higher than alpha-beta Ti alloys Solid solubility temperature at a temperature of, club head assembly 30 is heat-treated at least 5 hours.In one embodiment, the 3rd In step 70, at a temperature of equal to or higher than the solid solubility temperature of alpha-beta Ti alloys, club head assembly 30 is heat-treated at least 5.5 hour.In one embodiment, in third step 70, in the temperature of the solid solubility temperature equal to or higher than alpha-beta Ti alloys Under, club head assembly 30 is heat-treated at least 6 hours.

In one embodiment, in third step 70, at 400 DEG C to 630 DEG C, 400 DEG C to 1200 DEG C or 500 DEG C To 1030 DEG C, club head assembly 30 is heat-treated.In one embodiment, at 425 DEG C to 550 DEG C, 425 DEG C to 1200 DEG C or 525 DEG C to 1030 DEG C, club head assembly 30 is heat-treated.In one embodiment, in third step 70, At 450 DEG C to 525 DEG C, 450 DEG C to 1095 DEG C or 550 DEG C to 925 DEG C, club head assembly 30 is heat-treated.In a reality Apply in mode, in third step 70, at 550 DEG C to 625 DEG C, 550 DEG C to 1195 DEG C or 650 DEG C to 925 DEG C, to club head Component 30 is heat-treated.In one embodiment, in third step 70, at 520 DEG C to 1200 DEG C to club head assembly 30 are heat-treated.In one embodiment, in third step 70, club head assembly 30 is entered to 1150 DEG C at 620 DEG C Row heat treatment.In one embodiment, in third step 70, heat is carried out to club head assembly 30 to 1000 DEG C at 720 DEG C Processing.In one embodiment, in third step 70, club head assembly 30 is heat-treated to 950 DEG C at 820 DEG C. In one embodiment, in third step 70, club head assembly 30 is heat-treated to 900 DEG C at 720 DEG C.At one In embodiment, in third step 70, club head assembly 30 is heat-treated to 850 DEG C at 820 DEG C.In an embodiment party In formula, in third step 70,400 DEG C, 410 DEG C, 420 DEG C, 430 DEG C, 440 DEG C, 450 DEG C, 460 DEG C, 470 DEG C, 480 DEG C, 490℃、500℃、510℃、520℃、530℃、540℃、550℃、560℃、570℃、580℃、590℃、600℃、610 ℃、620℃、630℃、540℃、550℃、560℃、570℃、580℃、590℃、600℃、610℃、620℃、630℃、 640℃、650℃、660℃、670℃、680℃、690℃、700℃、710℃、720℃、730℃、740℃、750℃、760 ℃、770℃、780℃、790℃、800℃、810℃、820℃、830℃、840℃、850℃、860℃、870℃、880℃、 890℃、900℃、910℃、920℃、930℃、940℃、950℃、960℃、970℃、980℃、990℃、1000℃、1010 ℃、1020℃、1030℃、1040℃、1050℃、1060℃、1070℃、1080℃、1090℃、1100℃、1110℃、1120 DEG C, 1130 DEG C, 1140 DEG C, 1150 DEG C, 1160 DEG C, 1170 DEG C, 1180 DEG C, 1190 DEG C or 1200 DEG C, club head assembly 30 is entered Row heat treatment 30 minutes, 60 minutes, 90 minutes, 120 minutes, 150 minutes, 180 minutes, 210 minutes, 240 minutes, 270 minutes, 300 minutes, 330 minutes or 360 minutes.

In one embodiment, in third step 70, heat is carried out to club head assembly 30 at least 400 DEG C of temperature Processing.In one embodiment, in third step 70, hot place is carried out to club head assembly 30 at least 420 DEG C of temperature Reason.In one embodiment, in third step 70, club head assembly 30 is heat-treated at least 440 DEG C of temperature. In one embodiment, in third step 70, club head assembly 30 is heat-treated at least 460 DEG C of temperature. In one embodiment, in third step 70, club head assembly 30 is heat-treated at least 475 DEG C of temperature.One In individual embodiment, in third step 70, club head assembly 30 is heat-treated at least 480 DEG C of temperature.At one In embodiment, in third step 70, club head assembly 30 is heat-treated at least 500 DEG C of temperature.In a reality Apply in mode, in third step 70, club head assembly 30 is heat-treated at least 520 DEG C of temperature.In an implementation In mode, in third step 70, club head assembly 30 is heat-treated at least 540 DEG C of temperature.In an embodiment party In formula, in third step 70, club head assembly 30 is heat-treated at least 560 DEG C of temperature.In an embodiment In, in third step 70, club head assembly 30 is heat-treated at least 575 DEG C of temperature.In one embodiment, Club head assembly 30 is heat-treated at least 580 DEG C of temperature.In one embodiment, in third step 70, At least 600 DEG C of temperature is heat-treated to club head assembly 30.In one embodiment, in third step 70, extremely Few 620 DEG C temperature is heat-treated to club head assembly 30.In one embodiment, in third step 70, at least 625 DEG C of temperature is heat-treated to club head assembly 30.In one embodiment, in third step 70, at least 630 DEG C temperature club head assembly 30 is heat-treated.In one embodiment, in third step 70, at least 640 DEG C Temperature club head assembly 30 is heat-treated.In one embodiment, in third step 70, at least 660 DEG C Temperature is heat-treated to club head assembly 30.In one embodiment, in third step 70, at least 675 DEG C of temperature Degree is heat-treated to club head assembly 30.In one embodiment, in third step 70, at least 680 DEG C of temperature Club head assembly 30 is heat-treated.In one embodiment, in third step 70, at least 700 DEG C of temperature pair Club head assembly 30 is heat-treated.In one embodiment, in third step 70, at least 720 DEG C of temperature to ball Head component 30 is heat-treated.In one embodiment, in third step 70, at least 740 DEG C of temperature to club Head assembly 30 is heat-treated.In one embodiment, in third step 70, at least 760 DEG C of temperature to club head Component 30 is heat-treated.In one embodiment, in third step 70, at least 775 DEG C of temperature to club head group Part 30 is heat-treated.In one embodiment, in third step 70, at least 780 DEG C of temperature to club head assembly 30 are heat-treated.In one embodiment, in third step 70, at least 800 DEG C of temperature to club head assembly 30 It is heat-treated.In one embodiment, in third step 70, club head assembly 30 is entered at least 820 DEG C of temperature Row heat treatment.In one embodiment, in third step 70, club head assembly 30 is carried out at least 840 DEG C of temperature Heat treatment.In one embodiment, in third step 70, heat is carried out to club head assembly 30 at least 860 DEG C of temperature Processing.In one embodiment, in third step 70, hot place is carried out to club head assembly 30 at least 875 DEG C of temperature Reason.In one embodiment, in third step 70, club head assembly 30 is heat-treated at least 880 DEG C of temperature. In one embodiment, in third step 70, club head assembly 30 is heat-treated at least 900 DEG C of temperature. In one embodiment, in third step 70, club head assembly 30 is heat-treated at least 920 DEG C of temperature.One In individual embodiment, in third step 70, club head assembly 30 is heat-treated at least 940 DEG C of temperature.At one In embodiment, in third step 70, club head assembly 30 is heat-treated at least 960 DEG C of temperature.In a reality Apply in mode, in third step 70, club head assembly 30 is heat-treated at least 975 DEG C of temperature.In an implementation In mode, in third step 70, club head assembly 30 is heat-treated at least 980 DEG C of temperature.In an embodiment party In formula, in third step 70, club head assembly 30 is heat-treated at least 1000 DEG C of temperature.In an embodiment In, in third step 70, club head assembly 30 is heat-treated at least 1020 DEG C of temperature.In an embodiment In, in third step 70, club head assembly 30 is heat-treated at least 1040 DEG C of temperature.In an embodiment In, in third step 70, club head assembly 30 is heat-treated at least 1060 DEG C of temperature.In an embodiment In, in third step 70, club head assembly 30 is heat-treated at least 1075 DEG C of temperature.In an embodiment In, in third step 70, club head assembly 30 is heat-treated at least 1080 DEG C of temperature.In an embodiment In, in third step 70, club head assembly 30 is heat-treated at least 1100 DEG C of temperature.In an embodiment In, in third step 70, club head assembly 30 is heat-treated at least 1120 DEG C of temperature.In an embodiment In, in third step 70, club head assembly 30 is heat-treated at least 1140 DEG C of temperature.In an embodiment In, in third step 70, club head assembly 30 is heat-treated at least 1160 DEG C of temperature.In an embodiment In, in third step 70, club head assembly 30 is heat-treated at least 1175 DEG C of temperature.In an embodiment In, the temperature at least 1180 DEG C in third step 70 is heat-treated to club head assembly 30.In one embodiment, In third step 70, club head assembly 30 is heat-treated at least 1200 DEG C of temperature.

In one embodiment, in third step 70, hot place is carried out to club head assembly 30 to 500 DEG C at 475 DEG C Reason 4 hours to 6 hours.In another embodiment, in third step 70, the club head is carried out at 575 DEG C to 625 DEG C Heat treatment 1 hour to 2 hours.In another embodiment, about 550 DEG C to the club head carry out heat treatment it is 1 hour to 4 small When.In other embodiments, in third step 70, panel 14 can be formed by different alloys.In other embodiments, Heat treatment process can be implemented the different amounts of time at a temperature of other.In addition, heat treatment can be applied to various materials and various welderings Connect type.

It is different from the conventional cue head ageing of metal process occurred at low temperature, in welding panel 14 after solid solubility temperature Club head assembly 30 is heat-treated above, eliminated in panel 14 and between the metallic matrix and weld part of club head 10 Stress.Post-weld stress, which eliminates, to be made and welding-metal heat affected area (HAZ, heat affected zone) or attached in weld part The stress of near region association disperses, wherein, with welding-metal heat affected area (HAZ) or in the region near weld part Material character has been changed due to welding process.Due to the distinctness of mechanical performance between HAZ and remaining region of metallic matrix Contrast, HAZ are more likely subjected to cracking and failure.Previous after welding treatment, is performed in short-term at a temperature of less than solid solubility temperature Between.These processes only make ageing of metal, but without the increased stress for solving to be transferred to weld zone.In addition, the slab strength Deficiency, and relatively rapidly can flatten or lose its curvature.By contrast, in the heat treatment higher than solid solubility temperature, welding is made Stress in metal HAZ disperses.The heat treatment improves HAZ durability by eliminating stress.In addition, higher than solid solubility temperature Under club head assembly 30 is heat-treated, make along weld part generate titanium-aluminium (Ti₃Al) possibility of crystal reduces.

Before the heat treatment, the crystal grain of panel alloy can align on bizet to bottom orientation.The bizet of alloy grain Oriented to bottom, it is allowed to stretch in the same direction.In some embodiments, before the heat treatment, panel alpha-beta titanium (alpha-beta Ti) the crystal grain of alloy, can be alignd on bizet to bottom orientation.The bizet of alpha-beta Ti alloy grains to bottom orients, it is allowed to Stretched on equidirectional.In some embodiments, before the heat treatment, alpha-beta Ti alloys disclosed in the panel are (for example, Ti- 6Al-4V (or Ti 6-4), Ti-9S (or T-9S), the alloy of Ti-662, Ti-8-1-1, Ti-65K, Ti-6246 and IMI 550) Crystal grain, it can be alignd on bizet to bottom orientation.Disclosed alpha-beta Ti alloys are (for example, Ti-6Al-4V (or Ti 6-4), Ti-9S (or T-9S), the alloy of Ti-662, Ti-8-1-1, Ti-65K, Ti-6246 or IMI 550) crystal grain bizet to bottom orient, permit Perhaps stretch in the same direction.

Heat treatment also improves the toughness or durability of panel 14.The toughness of raising allow to manufacture thinner panel 14 without Durability is reduced, so as to mitigate club head weight.The weight of the mitigation of panel 14 makes the gravity motion of club head assembly 30, and Allow another part that extra weight is added to bar, so as to further center-of-gravity regulating.Improve the durability of panel 14, it is allowed to Panel 14 bears the number of the impact golf significantly increased in the service life of bar, and is being subjected to hundreds of times or thousands of The arch or circle of panel slightly are maintained while secondary golf beating.Therefore, when bias impacts ball, the tolerance of bar is more It is good, because the round-shaped of panel 14 provides " gear effect " between ball and panel.

Impact or hit for 2000 times in experience come more various heat treatment temperature counter plates 14 as shown in fig. 7, having carried out experiment Influence during ball.Panel 14 is formed by Ti-9S (or T-9S) alloy.One club head assembly is heated to 400 DEG C, the temperature Solid solubility temperature of the degree less than Ti-9S (or T-9S) alloy.Second club head group is heated to 600 DEG C, the temperature is higher than Ti-9S The solid solubility temperature of (or T-9S) alloy.The measurement data provided in Fig. 7, represent the radius of curvature of scroll size and bump sizes with The percentage change that original curvature radius is compared.As panel becomes more flat, radius of curvature increase.With at 400 DEG C The club head assembly of the Ti-9S panels 14 handled, within impact golf 25 times, its scroll size and bump sizes The two all significantly flattens.By contrast, there is the club head assembly of the Ti-9S panels handled at 600 DEG C, 2000 After secondary impact, its curvature is preferably maintained than the first club head assembly.The Ti-9S panels handled at 600 DEG C, 2000 times impact after, than the first club head assembly with untreated Ti-6-4 panels 14 preferably maintain scroll size and The curvature of both bump sizes.

For the heat treatment less than solid solubility temperature (for example, at 400 DEG C), Ti₃Al particles become to be more easy to mobile and can sunk Form sediment in α-matrix.Ti₃Some in Al particles are gathered at grain boundary and harden material ages.By contrast, it is right In the heat treatment of more than solid solubility temperature (for example, at 600 DEG C), Ti₃Al particles are dissolved in matrix on the contrary.Fragility Ti₃Al particles Stress point can be used as.Make the fragility Ti in α-matrix₃Al grain dissolutions, so as to play a part of stress elimination.Should " stress Elimination " process enables club head assembly 30 preferably to bear pulling force and pressure during golf is hit.

In one embodiment, it is being formed by Ti-9S (or T-9S) and in Ti-9S (or T-9S) solid solubility temperature The panel 14 being heat-treated above, after about 25 impacts, it is maintained at the 2% of its original convex curvature and scroll curvature Within skew.In one embodiment, it is being formed by Ti 6-4 and be heat-treated more than Ti 6-4 solid solubility temperature Panel 14, after about 25 impacts, be maintained within 3% skew of its original scroll curvature, and it is former to be maintained at its Within 8% skew of beginning convex curvature.

In one embodiment, it is being formed by Ti-9S (or T-9S) and in Ti-9S (or T-9S) solid solubility temperature The panel 14 being heat-treated above, after about 50 impacts, it is maintained at the 8% of its original convex curvature and scroll curvature Within skew.In one embodiment, it is being formed by Ti 6-4 and be heat-treated more than Ti 6-4 solid solubility temperature Panel 14, after about 50 impacts, be maintained within 5% skew of its original scroll curvature, and it is former to be maintained at its Within 10% skew of beginning convex curvature.

In one embodiment, it is being formed by Ti-9S (or T-9S) and in Ti-9S (or T-9S) solid solubility temperature The panel 14 being heat-treated above, after about 75 impacts, it is maintained at the 10% of its original convex curvature and scroll curvature Skew within.In one embodiment, it is being formed by Ti 6-4 and carried out more than Ti 6-4 solid solubility temperature hot The panel 14 of reason, after about 75 impacts, it is maintained within 13% skew of its original scroll curvature, and be maintained at it Within 10% skew of original convex curvature.

In one embodiment, it is being formed by Ti-9S (or T-9S) and in Ti-9S (or T-9S) solid solubility temperature The panel 14 being heat-treated above, after about 100 impacts, it is maintained at the 10% of its original convex curvature and scroll curvature Skew within.In one embodiment, it is being formed by Ti 6-4 and be heat-treated more than Ti 6-4 solid solubility temperatures Panel 14, about 100 times impact after, be maintained within 14% skew of its original scroll curvature, and be maintained at it Within 10% skew of original convex curvature.

In one embodiment, it is being formed by Ti-9S (or T-9S) and in Ti-9S (or T-9S) solid solubility temperature The panel 14 being heat-treated above, after about 150 impacts, it is maintained at the 10% of its original convex curvature and scroll curvature Skew within.In one embodiment, it is being formed by Ti 6-4 and carried out more than Ti 6-4 solid solubility temperature hot The panel 14 of reason, after about 150 impacts, it is maintained within 15% skew of its original scroll curvature, and be maintained at Within 11% skew of its original convex curvature.

In one embodiment, it is being formed by Ti-9S (or T-9S) and in Ti-9S (or T-9S) solid solubility temperature The panel 14 being heat-treated above, after about 300 impacts, it is maintained at the 10% of its original convex curvature and scroll curvature Skew within.In one embodiment, it is being formed by Ti 6-4 and carried out more than Ti 6-4 solid solubility temperature hot The panel 14 of reason, after about 300 impacts, be maintained at its original scroll curvature and original convex curvature 15% skew it It is interior.

In one embodiment, it is being formed by Ti-9S (or T-9S) and in Ti-9S (or T-9S) solid solubility temperature The panel 14 being heat-treated above, after about 1000 impacts, it is maintained at its original convex curvature and scroll curvature Within 10% skew.In one embodiment, it is being formed by Ti 6-4 and carried out more than Ti 6-4 solid solubility temperature The panel 14 of heat treatment, after about 1000 impacts, it is maintained within 23% skew of its original scroll curvature, Yi Jibao Hold within 17% skew of its original convex curvature.

In one embodiment, it is being formed by Ti-9S (or T-9S) and in Ti-9S (or T-9S) solid solubility temperature The panel 14 being heat-treated above, after about 2000 impacts, it is maintained at its original convex curvature and scroll curvature Within 10% skew.In one embodiment, it is being formed by Ti 6-4 and carried out more than Ti 6-4 solid solubility temperature The panel 14 of heat treatment, after about 2000 impacts, it is maintained within 24% skew of its original scroll curvature, Yi Jibao Hold within 18% skew of its original convex curvature.

In addition, having carried out experiment carrys out more a variety of heat treatment temperature counter plates 14 in 2000 impacts of experience or impact In influence.Panel 14 is formed by alpha-beta Ti alloys.One club head assembly is heated to 400 DEG C, and the temperature is closed less than alpha-beta Ti The solid solubility temperature of gold.Second club head assembly is heated to 600 DEG C, and the temperature is higher than the solid solubility temperature of alpha-beta Ti alloys.At 25 times Hit within golf, both the scroll size and bump sizes of the club head assembly handled at 400 DEG C are significantly Flatten.By contrast, the club head assembly handled at 600 DEG C, just start to become after impacting golf until 225 times It is flat, and after 2000 impacts, its curvature is obviously better maintained more than the first club head assembly.

In one embodiment, the club head assembly handled at 500 DEG C, keep it former after 25 impacts Beginning convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 500 DEG C, hits at 50 times Its original convex curvature and scroll curvature is kept after beating.In one embodiment, the club head handled at 500 DEG C Component, its original convex curvature and scroll curvature is kept after 75 impacts.In one embodiment, enter at 500 DEG C The club head assembly of row processing, its original convex curvature and scroll curvature is kept after 100 impacts.In an embodiment In, the club head assembly that is handled at 500 DEG C, its original convex curvature and scroll curvature is kept after 125 impacts. In one embodiment, the club head assembly handled at 500 DEG C, its original projection is kept after 150 impacts Curvature and scroll curvature.In one embodiment, the club head assembly handled at 500 DEG C, after 175 impacts Keep its original convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 500 DEG C, Its original convex curvature and scroll curvature is kept after 200 impacts.In one embodiment, located at 500 DEG C The club head assembly of reason, its original convex curvature and scroll curvature is kept after 225 impacts.

In one embodiment, the club head assembly handled at 500 DEG C, after 250 impacts substantially Keep its convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 500 DEG C, 275 Its convex curvature and scroll curvature are kept substantially after secondary impact.In one embodiment, handled at 500 DEG C Club head assembly, its convex curvature and scroll curvature are kept substantially after 300 impacts.In one embodiment, exist The club head assembly handled at 500 DEG C, its convex curvature and scroll curvature are kept substantially after 500 impacts. In one embodiment, the club head assembly that is handled at 500 DEG C, it is raised that its is kept substantially after 1000 impacts Curvature and scroll curvature.In one embodiment, the club head assembly handled at 500 DEG C, it is impacted at 1500 times After be kept substantially its convex curvature and scroll curvature.In one embodiment, the club head group handled at 500 DEG C Part, its convex curvature and scroll curvature are kept substantially after 2000 impacts.

In one embodiment, the club head assembly handled at 600 DEG C, keep it former after 25 impacts Beginning convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 600 DEG C, hits at 50 times Its original convex curvature and scroll curvature is kept after beating.In one embodiment, the club head handled at 600 DEG C Component, its original convex curvature and scroll curvature is kept after 75 batting.In one embodiment, enter at 600 DEG C The club head assembly of row processing, its original convex curvature and scroll curvature is kept after 100 impacts.In an embodiment In, the club head assembly that is handled at 600 DEG C, its original convex curvature and scroll curvature is kept after 125 impacts. In one embodiment, the club head assembly handled at 600 DEG C, its original projection is kept after 150 impacts Curvature and scroll curvature.In one embodiment, the club head assembly handled at 600 DEG C, after 175 impacts Keep its original convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 600 DEG C, Its original convex curvature and scroll curvature is kept after 200 impacts.In one embodiment, located at 600 DEG C The club head assembly of reason, its original convex curvature and scroll curvature is kept after 225 impacts.

In one embodiment, the club head assembly handled at 600 DEG C, after 250 impacts substantially Keep its convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 600 DEG C, 275 Its convex curvature and scroll curvature are kept substantially after secondary impact.In one embodiment, handled at 600 DEG C Club head assembly, its convex curvature and scroll curvature are kept substantially after 300 impacts.In one embodiment, exist The club head assembly handled at 600 DEG C, its convex curvature and scroll curvature are kept substantially after 500 impacts. In one embodiment, the club head assembly that is handled at 600 DEG C, it is raised that its is kept substantially after 1000 impacts Curvature and scroll curvature.In one embodiment, the club head assembly handled at 600 DEG C, it is impacted at 1500 times After be kept substantially its convex curvature and scroll curvature.In one embodiment, the club head group handled at 600 DEG C Part, its convex curvature and scroll curvature are kept substantially after 2000 impacts.

In one embodiment, the club head assembly handled at 600 DEG C, after 250 impacts, it is kept Original convex curvature, and its scroll radius of curvature increase to 13 inches from 11 inches.In one embodiment, at 600 DEG C The lower club head assembly handled, after 275 impacts, its original convex curvature is kept, and keep 13 inches of volume Shape radius of curvature.In one embodiment, the club head assembly handled at 600 DEG C, after 300 impacts, its Convex curvature radius increases to 13 inches from 12 inches, and keeps 13 inches of scroll radius of curvature.In an embodiment In, the club head assembly that is handled at 600 DEG C, after 500 impacts, its 13 inches of convex curvature radius is kept, And keep 13 inches of scroll radius of curvature.In one embodiment, the club head assembly handled at 600 DEG C, After 1000 batting, its 13 inches of convex curvature radius, and its scroll radius of curvature is kept to increase to 14 from 13 inches Inch.In one embodiment, the club head assembly handled at 600 DEG C, 1500 times impact after, keep its 13 The convex curvature radius of inch, and keep 14 inches of scroll radius of curvature.In one embodiment, enter at 600 DEG C The club head assembly of row processing, after 2000 impacts, its 13 inches of convex curvature radius is kept, and kept for 14 inches Scroll radius of curvature.

In one embodiment, the club head assembly handled at 700 DEG C, keep it former after 25 impacts Beginning convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 700 DEG C, hits at 50 times Its original convex curvature and scroll curvature is kept after beating.In one embodiment, the club head handled at 700 DEG C Component, its original convex curvature and scroll curvature is kept after 75 impacts.In one embodiment, enter at 700 DEG C The club head assembly of row processing, its original convex curvature and scroll curvature is kept after 100 impacts.In an embodiment In, the club head assembly that is handled at 700 DEG C, its original convex curvature and scroll curvature is kept after 125 impacts. In one embodiment, the club head assembly handled at 700 DEG C, its original projection is kept after 150 impacts Curvature and scroll curvature.In one embodiment, the club head assembly handled at 700 DEG C, after 175 impacts Keep its original convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 700 DEG C, Its original convex curvature and scroll curvature is kept after 200 impacts.In one embodiment, located at 700 DEG C The club head assembly of reason, its original convex curvature and scroll curvature is kept after 225 impacts.

In one embodiment, the club head assembly handled at 700 DEG C, after 250 impacts substantially Keep its convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 700 DEG C, 275 Its convex curvature and scroll curvature are kept substantially after secondary impact.In one embodiment, handled at 700 DEG C Club head assembly, its convex curvature and scroll curvature are kept substantially after 300 impacts.In one embodiment, exist The club head assembly handled at 700 DEG C, its convex curvature and scroll curvature are kept substantially after 500 impacts. In one embodiment, the club head assembly that is handled at 700 DEG C, it is raised that its is kept substantially after 1000 impacts Curvature and scroll curvature.In one embodiment, the club head assembly handled at 700 DEG C, it is impacted at 1500 times After be kept substantially its convex curvature and scroll curvature.In one embodiment, the club head group handled at 700 DEG C Part, its convex curvature and scroll curvature are kept substantially after 2000 impacts.

In one embodiment, the club head assembly handled at 800 DEG C, keep it former after 25 impacts Beginning convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 800 DEG C, hits at 50 times Its original convex curvature and scroll curvature is kept after beating.In one embodiment, the club head handled at 800 DEG C Component, its original convex curvature and scroll curvature is kept after 75 batting.In one embodiment, enter at 800 DEG C The club head assembly of row processing, its original convex curvature and scroll curvature is kept after 100 impacts.In an embodiment In, the club head assembly that is handled at 800 DEG C, its original convex curvature and scroll curvature is kept after 125 impacts. In one embodiment, the club head assembly handled at 800 DEG C, its original projection is kept after 150 impacts Curvature and scroll curvature.In one embodiment, the club head assembly handled at 800 DEG C, after 175 impacts Keep its original convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 800 DEG C, Its original convex curvature and scroll curvature is kept after 200 impacts.In one embodiment, located at 800 DEG C The club head assembly of reason keeps its original convex curvature and scroll curvature after 225 impacts.

In one embodiment, the club head assembly handled at 800 DEG C, after 250 impacts substantially Keep its convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 800 DEG C, 275 Its convex curvature and scroll curvature are kept substantially after secondary impact.In one embodiment, handled at 800 DEG C Club head assembly, its convex curvature and scroll curvature are kept substantially after 300 impacts.In one embodiment, exist The club head assembly handled at 800 DEG C, its convex curvature and scroll curvature are kept substantially after 500 impacts. In one embodiment, the club head assembly that is handled at 800 DEG C, it is raised that its is kept substantially after 1000 impacts Curvature and scroll curvature.In one embodiment, the club head assembly handled at 800 DEG C, it is impacted at 1500 times After be kept substantially its convex curvature and scroll curvature.In one embodiment, the club head group handled at 800 DEG C Part, its convex curvature and scroll curvature are kept substantially after 2000 impacts.

In one embodiment, the club head assembly handled at 900 DEG C, keep it former after 25 impacts Beginning convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 900 DEG C, hits at 50 times Its original convex curvature and scroll curvature is kept after beating.In one embodiment, the club head handled at 900 DEG C Component, its original convex curvature and scroll curvature is kept after 75 impacts.In one embodiment, enter at 900 DEG C The club head assembly of row processing, its original convex curvature and scroll curvature is kept after 100 impacts.In an embodiment In, the club head assembly that is handled at 900 DEG C, its original convex curvature and scroll curvature is kept after 125 impacts. In one embodiment, the club head assembly handled at 900 DEG C, its original projection is kept after 150 impacts Curvature and scroll curvature.In one embodiment, the club head assembly handled at 900 DEG C, after 175 impacts Keep its original convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 900 DEG C, Its original convex curvature and scroll curvature is kept after 200 impacts.In one embodiment, located at 900 DEG C The club head assembly of reason, its original convex curvature and scroll curvature is kept after 225 impacts.

In one embodiment, the club head assembly handled at 900 DEG C, after 250 impacts substantially Keep its convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 900 DEG C, 275 Its convex curvature and scroll curvature are kept substantially after secondary impact.In one embodiment, handled at 900 DEG C Club head assembly, its convex curvature and scroll curvature are kept substantially after 300 impacts.In one embodiment, exist The club head assembly handled at 900 DEG C, its convex curvature and scroll curvature are kept substantially after 500 impacts. In one embodiment, the club head assembly that is handled at 900 DEG C, it is raised that its is kept substantially after 1000 impacts Curvature and scroll curvature.In one embodiment, the club head assembly handled at 900 DEG C, it is impacted at 1500 times After be kept substantially its convex curvature and scroll curvature.In one embodiment, the club head group handled at 900 DEG C Part, its convex curvature and scroll curvature are kept substantially after 2000 impacts.

In one embodiment, the club head assembly handled at 1000 DEG C, it is kept after 25 impacts Original convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 1000 DEG C, at 50 times Its original convex curvature and scroll curvature is kept after impact.In one embodiment, the ball handled at 1000 DEG C Head component, its original convex curvature and scroll curvature is kept after 75 batting.In one embodiment, at 1000 DEG C The lower club head assembly handled, its original convex curvature and scroll curvature is kept after 100 impacts.In an implementation In mode, the club head assembly that is handled at 1000 DEG C, its original convex curvature and scroll is kept after 125 impacts Curvature.In one embodiment, the club head assembly handled at 1000 DEG C, keep it former after 150 impacts Beginning convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 1000 DEG C, at 175 times Its original convex curvature and scroll curvature is kept after impact.In one embodiment, the ball handled at 1000 DEG C Head component, its original convex curvature and scroll curvature is kept after 200 impacts.In one embodiment, 1000 The club head assembly handled at DEG C, its original convex curvature and scroll curvature is kept after 225 impacts.

In one embodiment, the club head assembly handled at 1000 DEG C, after 250 impacts substantially Keep its convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 1000 DEG C, Its convex curvature and scroll curvature are kept substantially after 275 impacts.In one embodiment, located at 1000 DEG C The club head assembly of reason, its convex curvature and scroll curvature are kept substantially after 300 impacts.In an embodiment In, the club head assembly that is handled at 1000 DEG C, is kept substantially its convex curvature after 500 impacts and scroll is bent Rate.In one embodiment, the club head assembly handled at 1000 DEG C, it is kept substantially after 1000 impacts Its convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 1000 DEG C, at 1500 times Its convex curvature and scroll curvature are kept substantially after impact.In one embodiment, handled at 1000 DEG C Club head assembly, its convex curvature and scroll curvature are kept substantially after 2000 impacts.

In one embodiment, the club head assembly handled at 1100 DEG C, it is kept after 25 impacts Original convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 1100 DEG C, at 50 times Its original convex curvature and scroll curvature is kept after impact.In one embodiment, the ball handled at 1100 DEG C Head component, its original convex curvature and scroll curvature is kept after 75 impacts.In one embodiment, at 1100 DEG C The lower club head assembly handled, its original convex curvature and scroll curvature is kept after 100 impacts.In an implementation In mode, the club head assembly that is handled at 1100 DEG C, its original convex curvature and scroll is kept after 125 impacts Curvature.In one embodiment, the club head assembly handled at 1100 DEG C, keep it former after 150 impacts Beginning convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 1100 DEG C, at 175 times Its original convex curvature and scroll curvature is kept after impact.In one embodiment, the ball handled at 1100 DEG C Head component keeps its original convex curvature and scroll curvature after 200 impacts.In one embodiment, at 1100 DEG C The lower club head assembly handled, its original convex curvature and scroll curvature is kept after 225 impacts.

In one embodiment, the club head assembly handled at 1100 DEG C, after 250 impacts substantially Keep its convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 1100 DEG C, Its convex curvature and scroll curvature are kept substantially after 275 impacts.In one embodiment, located at 1100 DEG C The club head assembly of reason, its convex curvature and scroll curvature are kept substantially after 300 impacts.In an embodiment In, the club head assembly that is handled at 1100 DEG C, is kept substantially its convex curvature after 500 impacts and scroll is bent Rate.In one embodiment, the club head assembly handled at 1100 DEG C, it is kept substantially after 1000 impacts Its convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 1100 DEG C, at 1500 times Its convex curvature and scroll curvature are kept substantially after impact.In one embodiment, handled at 1100 DEG C Club head assembly, its convex curvature and scroll curvature are kept substantially after 2000 impacts.

In one embodiment, the club head assembly handled at 1200 DEG C, it is kept after 25 impacts Original convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 1200 DEG C, at 50 times Its original convex curvature and scroll curvature is kept after impact.In one embodiment, the ball handled at 1200 DEG C Head component, its original convex curvature and scroll curvature is kept after 75 batting.In one embodiment, at 1200 DEG C The lower club head assembly handled, its original convex curvature and scroll curvature is kept after 100 impacts.In an implementation In mode, the club head assembly that is handled at 1200 DEG C, its original convex curvature and scroll is kept after 125 impacts Curvature.In one embodiment, the club head assembly handled at 1200 DEG C keeps its original after 150 impacts Convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 1200 DEG C, hits at 175 times Its original convex curvature and scroll curvature is kept after beating.In one embodiment, the club handled at 1200 DEG C Head assembly, its original convex curvature and scroll curvature is kept after 200 impacts.In one embodiment, at 1200 DEG C The lower club head assembly handled, its original convex curvature and scroll curvature is kept after 225 impacts.

In one embodiment, the club head assembly handled at 1200 DEG C exists, after 250 impacts substantially Keep its convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 1200 DEG C, Its convex curvature and scroll curvature are kept substantially after 275 impacts.In one embodiment, located at 1200 DEG C The club head assembly of reason, its convex curvature and scroll curvature are kept substantially after 300 impacts.In an embodiment In, the club head assembly that is handled at 1200 DEG C, is kept substantially its convex curvature after 500 impacts and scroll is bent Rate.In one embodiment, the club head assembly handled at 1200 DEG C, it is kept substantially after 1000 impacts Its convex curvature and scroll curvature.In one embodiment, the club head assembly handled at 1200 DEG C, at 1500 times Its convex curvature and scroll curvature are kept substantially after impact.In one embodiment, handled at 1200 DEG C Club head assembly, its convex curvature and scroll curvature are kept substantially after 2000 impacts.

In one embodiment, equal to or higher than the club head assembly handled under solid solubility temperature, hit at 25 times Its original convex curvature and scroll curvature is kept after beating.In one embodiment, equal to or higher than entering under solid solubility temperature The club head assembly of row processing, its original convex curvature and scroll curvature is kept after 50 impacts.In an embodiment In, equal to or higher than the club head assembly handled under solid solubility temperature, keep its original raised bent after 75 batting Rate and scroll curvature.In one embodiment, equal to or higher than the club head assembly handled under solid solubility temperature, Its original convex curvature and scroll curvature is kept after 100 impacts.In one embodiment, equal to or higher than solid solution temperature The club head assembly handled under degree, its original convex curvature and scroll curvature is kept after 125 impacts.In a reality Apply in mode, equal to or higher than the club head assembly handled under solid solubility temperature, keep its original after 150 impacts Convex curvature and scroll curvature.In one embodiment, equal to or higher than the club head group handled under solid solubility temperature Part, its original convex curvature and scroll curvature is kept after 175 impacts.In one embodiment, equal to or higher than The club head assembly handled under solid solubility temperature, its original convex curvature and scroll curvature is kept after 200 impacts. In one embodiment, equal to or higher than the club head assembly handled under solid solubility temperature, kept after 225 impacts Its original convex curvature and scroll curvature.

In one embodiment, equal to or higher than the club head assembly handled under solid solubility temperature, hit at 250 times Its convex curvature and scroll curvature are kept substantially after beating.In one embodiment, equal to or higher than under solid solubility temperature The club head assembly handled, its convex curvature and scroll curvature are kept substantially after 275 impacts.In an implementation In mode, equal to or higher than the club head assembly handled under solid solubility temperature, it is kept substantially after 300 impacts Convex curvature and scroll curvature.In one embodiment, equal to or higher than the club head group handled under solid solubility temperature Part, its convex curvature and scroll curvature are kept substantially after 500 impacts.In one embodiment, it is being equal to or high The club head assembly handled under solid solubility temperature, is kept substantially its convex curvature after 1000 impacts and scroll is bent Rate.In one embodiment, equal to or higher than the club head assembly handled under solid solubility temperature, it is impacted at 1500 times After be kept substantially its convex curvature and scroll curvature.In one embodiment, carried out equal to or higher than under solid solubility temperature The club head assembly of processing, its convex curvature and scroll curvature are kept substantially after 2000 impacts.

In addition, as shown in figure 8, carry out subsequent experiment compare be heat-treated at 600 DEG C it is several to three different panels The influence of what form.For all three panel geometric shapes, scroll measurement is all consistent, so as to confirm to eliminate the heat of stress Processing improves the ability that panel keeps its curvature.Panel includes Ti-9S (or T-9S) alloy.

Referring to Fig. 9, experiment has been carried out to compare in 2000 impacts or impact, various heat treatment temperatures pair The influence of panel 14.Panel 14 is formed by Ti-9S (or T-9S) alloy.One club head assembly is heated to 550 DEG C, the temperature Less than the solid solubility temperature of Ti-9S (or T-9S) alloy.Second club head assembly is heated to 575 DEG C, and the 3rd club head quilt 600 DEG C are heated to, the temperature is higher than the solid solubility temperature of Ti-9S (or T-9S) alloy.The measurement data provided in Fig. 9 represents raised Percentage change of the radius of curvature of size and scroll size compared with original curvature radius.As panel becomes more flat, Radius of curvature increases.The club head assembly handled at 550 DEG C, in golf several times in impact, scroll size and Both bump sizes significantly flatten.By contrast, the club head assembly handled at 600 DEG C, after 2000 impacts, Its curvature is obviously better maintained than the club head assembly.

In one embodiment, panel that is being formed by Ti-9S (or T-9S) and being heat-treated at 600 DEG C 14, after 25 impacts, it is maintained within 1% skew of its original scroll curvature, and be maintained at its original raised song Within 3% skew of rate.In one embodiment, it is being formed by Ti-9S (or T-9S) and at 575 DEG C carry out heat The panel 14 of processing, after 25 impacts, it is maintained within 24% skew of its original scroll curvature, and be maintained at it Within 11% skew of original convex curvature.In one embodiment, it is being formed by Ti-9S (or T-9S) and 550 The panel 14 being heat-treated at DEG C, after 25 impacts, it is maintained within 19% skew of its original scroll curvature, with And it is maintained within 9% skew of its original convex curvature.

In one embodiment, panel that is being formed by Ti-9S (or T-9S) and being heat-treated at 600 DEG C 14, after 50 impacts, its original scroll curvature is kept, and within 4% skew of its original convex curvature.One In individual embodiment, panel 14 that is being formed by Ti-9S (or T-9S) and being heat-treated at 575 DEG C, in 50 impacts Afterwards, be maintained within 28% skew of its original scroll curvature, and be maintained at its original convex curvature 13% it is inclined Within shifting.In one embodiment, panel that is being formed by Ti-9S (or T-9S) and being heat-treated at 550 DEG C 14, after 50 impacts, it is maintained within 23% skew of its original scroll curvature, and be maintained at its original raised song Within 15% skew of rate.

In one embodiment, panel that is being formed by Ti-9S (or T-9S) and being heat-treated at 600 DEG C 14, after 75 impacts, its original scroll curvature is kept, and within 5% skew of its original convex curvature.One In individual embodiment, panel 14 that is being formed by Ti-9S (or T-9S) and being heat-treated at 575 DEG C, in 75 impacts Afterwards, be maintained within 28% skew of its original scroll curvature, and be maintained at its original convex curvature 12% it is inclined Within shifting.In one embodiment, panel that is being formed by Ti-9S (or T-9S) and being heat-treated at 550 DEG C 14, after 75 impacts, it is maintained within 28% skew of its original scroll curvature, and be maintained at its original raised song Within 23% skew of rate.

In one embodiment, panel that is being formed by Ti-9S (or T-9S) and being heat-treated at 600 DEG C 14, after 100 impacts, its original scroll curvature is kept, and within 6% skew of its original convex curvature. In one embodiment, panel 14 that is being formed by Ti-9S (or T-9S) and being heat-treated at 575 DEG C, at 100 times After impact, it is maintained within 30% skew of its original scroll curvature, and be maintained at the 13% of its original convex curvature Skew within.In one embodiment, face that is being formed by Ti-9S (or T-9S) and being heat-treated at 550 DEG C Plate 14, after 100 impacts, it is maintained within 29% skew of its original scroll curvature, and to be maintained at its original convex Within 22% skew for playing curvature.

In one embodiment, panel that is being formed by Ti-9S (or T-9S) and being heat-treated at 600 DEG C 14, after 150 impacts, its original scroll curvature is kept, and within 7% skew of its original convex curvature. In one embodiment, panel 14 that is being formed by Ti-9S (or T-9S) and being heat-treated at 575 DEG C, at 150 times After impact, it is maintained within 28% skew of its original scroll curvature, and be maintained at the 13% of its original convex curvature Skew within.In one embodiment, face that is being formed by Ti-9S (or T-9S) and being heat-treated at 550 DEG C Plate 14, after 150 impacts, it is maintained within 31% skew of its original scroll curvature, and to be maintained at its original convex Within 24% skew for playing curvature.

In one embodiment, panel that is being formed by Ti-9S (or T-9S) and being heat-treated at 600 DEG C 14, after 300 impacts, it is maintained within 5% skew of its original scroll curvature, and be maintained at its original raised song Within 5% skew of rate.In one embodiment, it is being formed by Ti-9S (or T-9S) and at 575 DEG C carry out heat The panel 14 of processing, after 300 impacts, it is maintained within 28% skew of its original scroll curvature, and be maintained at Within 14% skew of its original convex curvature.In one embodiment, it is being formed by Ti-9S (or T-9S) and The panel 14 being heat-treated at 550 DEG C, 300 times impact after, be maintained at its original scroll curvature 34% skew it It is interior, and be maintained within 26% skew of its original convex curvature.

In one embodiment, panel that is being formed by Ti-9S (or T-9S) and being heat-treated at 600 DEG C 14, after 1000 impacts, it is maintained within 4% skew of its original scroll curvature, and be maintained at its original projection Within 7% skew of curvature.In one embodiment, it is being formed by Ti-9S (or T-9S) and carried out at 575 DEG C The panel 14 of heat treatment, after 1000 impacts, it is maintained within 27% skew of its original scroll curvature, and keeps Within 13% skew of its original convex curvature.In one embodiment, it is being formed by Ti-9S (or T-9S) and The panel 14 being heat-treated at 550 DEG C, after 1000 impacts, it is maintained at 34% skew of its original scroll curvature Within, and be maintained within 27% skew of its original convex curvature.

In one embodiment, panel that is being formed by Ti-9S (or T-9S) and being heat-treated at 600 DEG C 14, after 2000 impacts, it is maintained within 5% skew of its original scroll curvature, and be maintained at its original projection Within 6% skew of curvature.In one embodiment, it is being formed by Ti-9S (or T-9S) and carried out at 575 DEG C The panel 14 of heat treatment, after 2000 impacts, it is maintained within 25% skew of its original scroll curvature, and keeps Within 15% skew of its original convex curvature.In one embodiment, it is being formed by Ti-9S (or T-9S) and The panel 14 being heat-treated at 550 DEG C, after 2000 impacts, it is maintained at 34% skew of its original scroll curvature Within, and be maintained within 28% skew of its original convex curvature.

As shown in Figure 10, experiment has been carried out to compare when panel 14 is made up of Ti-6-4 alloys or Ti-9S (T-9S) alloy When panel 14 durability.The number of impact of the experimental record from air bubble, until panel 14 fails.One club head group Part uses Ti 6-4 alloys as panel material.Second club head assembly uses the club head of different models, and it is closed with Ti 6-4 Gold is used as panel material (data are not shown).3rd club head assembly uses the club head of the 3rd model, and it uses Ti 6-4 alloys As panel material (data are not shown).4th club head assembly uses the club with the 3rd club head assembly same model Head, it is used as panel material by the use of T-9S (or Ti-9S) alloys.The measurement data provided in Figure 10 represents hitting until failure of face slab Beat number.Club head assembly with T-9S (or Ti-9S) alloy panel, show than improving with Ti 6-4 alloys panel Durability.Identical club head model, with the durability using Ti 6-4 alloys as panel material when failure as 2600 times Impact is compared, and using T-9S (or Ti-9S) alloys as panel material until the durability for showing to improve during failure of face slab, there are about 3200 impacts.

Table 1 as follows has quantified the composition of T-9S, Ti 6-4 and Ti-8-1-1 alloys.Table 2 as follows is to show The chart of the mechanical performance of various alpha-beta Ti alloys is gone out.The data are reported based on METL, and with professional standard and supplier data Table is verified.Table 3 is to show the chart that the predicted weight based on embodiment is saved.

Table 1. shows the chart of T-9S, Ti 6-4 and Ti-8-1-1 composition

Table 2. shows the chart of the mechanical performance of various alpha-beta Ti alloys

* sample has driven heat treatment (600 DEG C are kept for 1 hour)

Table 3. shows the chart that the predicted weight based on selected embodiment is saved

Figure 11 A show the crystal grain in the micro-structural of the alpha-beta Ti alloys not yet through Overheating Treatment.In the groove of α/β matrix (pocket) it can be seen that the clear striped of β bands in.Unlike, Figure 11 B show the alpha-beta Ti alloys of Overheating Treatment Crystal grain in micro-structural.Herein, crystal grain shows directionality of the bizet to bottom orientation.It is not heat-treated and thermally treated sample Corresponding load-deformation curve 12C and 12D, it is shown that the benefit of heat treatment.The stress of not thermally treated alpha-beta Ti alloys/should Varied curve (Figure 11 C), shows unstable yield strength under high strain-rate, most-likely due to the deformation of β bands.Known β bands From α/β matrix phase than with different plasiticity index, this causes the above-mentioned deformation under high strain-rate.Thermally treated alpha-beta Ti is closed The stress/strain curves (Figure 11 D) of gold are more stable, it was demonstrated that the stress along crystal boundary transmission is easier under high strain-rate.

Figure 12 shows the phasor of Ti and Al alloys.α+Ti₃Al shadow regions represent that the alpha-beta Ti for not yet undergoing heat treatment is closed Gold.α+Ti₃Al is the fragile material for not being suitable for panel manufacture.As α+Ti₃When Al is heated above its solid solubility temperature, lead to Vertical line expression is crossed, it is changed into α Ti phases.In this transition process, α+Ti₃Ti in Al₃Al enters solution, alleviate α+ Ti₃Al fragility.As illustrated, the temperature change of the transformation depends on α+Ti₃The percentage of aluminium in Al.

As shown in figure 13, tested and undergone 0,25,50,100,150,1000 and 2000 time with more various panels 14 Offset in impact or impact.Panel 14 is formed by Ti6-4 or Ti-9S (T-9S) alloy.It is made up of Ti 6-4 alloys A club head assembly be not heat-treated.The second club head assembly 600 DEG C will be heated to made of Ti6-4 alloys, its Higher than the solid solubility temperature of Ti-9S (or T-9S) alloy.The 3rd club head assembly it will be heated made of Ti-9S (or T-9S) alloy To 600 DEG C, it is higher than the solid solubility temperature of Ti-9S (or T-9S) alloy.The measurement data that is there is provided in table 4 below represent bump sizes and Percentage change of the radius of curvature of scroll size compared with original curvature radius.

Table 4. with heat treatment and unused heat treatment Ti 6-4 alloys and with heat treatment T-9S alloys on scroll with The initial data of raised percentage offset.

As panel becomes more flat, radius of curvature increase.For at most all number of blows of 2000 times, have by Both its scroll size of the club head assembly of panel 14 made of the Ti 6-4 handled at 600 DEG C and bump sizes are all aobvious Flatten with writing, and show unlike panel 14 made of with the T9S by being handled at 600 DEG C club head assembly that Sample, both its scroll size and bump sizes keep below 10% skew.This be probably due to Ti6-4 have it is different or Lower wt%Al contents；T9S has 6.5wt%-8.5wt% Al, and Ti 6-4 have 5.5wt%-6.75wt% Al. Compared with T9S solid solubility temperature (it is~560-590 DEG C), Ti 6-4 solid solubility temperature is lower (at~540-560 DEG C).Cause This, influence of 600 DEG C of heat treatments to Ti 6-4 differs with the influence to T9S.After 2000 impacts, enter at 600 DEG C The Ti-9S panels of row processing compare the club head assembly of the panel 14 with untreated and heat treatment Ti-6-4, preferably tie up Its scroll size and the curvature both bump sizes are held.

As shown in figure 15, tested to compare in 100 times and 1000 times impacts of experience or impact on panel 14 % skew.Panel 14 is formed by Ti 6-4 or Ti-9S (T-9S) alloy.Various club head assemblies 400 DEG C, 550 DEG C, 575 DEG C, 580 DEG C, handle 1 or 4 hour at 600 DEG C and 700 DEG C.A club head assembly does not carry out heat made of Ti 6-4 alloys Processing.The second club head assembly is not heat-treated made of Ti-9S (or T-9S) alloy.It will be closed by Ti-9S (or T-9S) 3rd club head assembly made of gold heats 1 hour to 400 DEG C, and it is less than the solid solubility temperature of Ti-9S (or T-9S) alloy.Will be by 4th club head assembly made of Ti-9S (or T-9S) alloy heats 1 hour to 550 DEG C, and it is less than Ti-9S (or T-9S) alloy Solid solubility temperature.The 5th club head assembly it will be heated 1 hour to 575 DEG C made of Ti-9S (or T-9S) alloy, it is less than The solid solubility temperature of Ti-9S (or T-9S) alloy.Will made of Ti-9S (or T-9S) alloy the heating of the 6th club head assembly it is 4 small Up to 580 DEG C, it is the solid solubility temperature of Ti-9S (or T-9S) alloy.Will made of Ti-9S (or T-9S) alloy the 7th club Head assembly heats 1 hour to 600 DEG C, and it is higher than the solid solubility temperature of Ti-9S (or T-9S) alloy.It will be closed by Ti-9S (or T-9S) 8th club head assembly made of gold heats 4 hours to 600 DEG C, and it is higher than the solid solubility temperature of Ti-9S (or T-9S) alloy.Will be by 9th club head assembly made of Ti-9S (or T-9S) alloy heats 1 hour to 700 DEG C, and it is higher than Ti-9S (or T-9S) alloy Solid solubility temperature.The tenth club head assembly it will be heated 4 hours to 700 DEG C made of Ti-9S (or T-9S) alloy, it is higher than The solid solubility temperature of Ti-9S (or T-9S) alloy.The measurement data provided in Figure 15 represents the curvature of bump sizes and scroll size Percentage change of the radius compared with original curvature radius.As panel becomes more flat, radius of curvature increase.From 575 DEG C There is less skew in terms of scroll to 580 DEG C, there are more skews in terms of projection.However, in slightly higher temperature Under (600 DEG C and more than), the percentage offsets of two kinds of measurements are remarkably decreased, and are then kept at an even higher temperature not Become.This represents Ti₃Al particles initially enter the flex point of solution.After 600 DEG C of holdings, 1 hour threshold value is reached, rise temperature is to several What stability does not have any obvious improvement.Retention time was increased to 4 hours from 1 hour, percentage offset is also without obvious Improve.

In one embodiment, it is being formed by Ti-9S (or T-9S) and in Ti-9S (or T-9S) solid solubility temperature Be heat-treated the panel 14 of 4 hours at 580 DEG C, after about 100 impacts, have from its original convex curvature~9% Skew and from its original scroll curvature~6% skew.In one embodiment, it is being formed by Ti-9S (or T-9S), simultaneously And the panel 14 of 4 hours is heat-treated under Ti-9S (or T-9S) solid solubility temperature (580 DEG C), after about 1000 impacts, With from its original convex curvature~10% skew and from its original scroll curvature~6% skew.

In one embodiment, it is being formed by Ti-9S (or T-9S) and in Ti-9S (or T-9S) solid solubility temperature More than (600 DEG C) the heat treatment panels 14 of 1 hour, after about 100 impacts, have from its original convex curvature~ 5% skew and from its original scroll curvature~3% skew.In one embodiment, formed by Ti-9S (or T-9S) And (600 DEG C) the heat treatment panel 14 of 1 hour more than Ti-9S (or T-9S) solid solubility temperature, hit at about 1000 times After beating, have from its original convex curvature~6% skew and from its original scroll curvature~5% skew.

In one embodiment, it is being formed by Ti-9S (or T-9S) and in Ti-9S (or T-9S) solid solubility temperature More than (600 DEG C) the heat treatment panels 14 of 4 hours, after about 100 impacts, have from its original convex curvature~ 5% skew and from its original scroll curvature~2% skew.In one embodiment, formed by Ti-9S (or T-9S) And (600 DEG C) the heat treatment panel 14 of 4 hours more than Ti-9S (or T-9S) solid solubility temperature, hit at about 1000 times After beating, have from its original convex curvature~6% skew and from its original scroll curvature~3% skew.

In one embodiment, it is being formed by Ti-9S (or T-9S) and in Ti-9S (or T-9S) solid solubility temperature More than (700 DEG C) the heat treatment panels 14 of 1 hour, after about 100 impacts, have from its original convex curvature~ 4% skew and from its original scroll curvature~3% skew.In one embodiment, formed by Ti-9S (or T-9S) And (700 DEG C) the heat treatment panel 14 of 1 hour more than Ti-9S (or T-9S) solid solubility temperature, hit at about 1000 times After beating, have from its original convex curvature~5% skew and from its original scroll curvature~3% skew.

In one embodiment, it is being formed by Ti-9S (or T-9S) and in Ti-9S (or T-9S) solid solubility temperature More than (700 DEG C) the heat treatment panels 14 of 4 hours, after about 100 impacts, have from its original convex curvature~ 3% skew and from its original scroll curvature~5% skew.

In one embodiment, it is being formed by alpha-beta Ti alloys and more than its solid solubility temperature (500-1200 DEG C) heat The panel 14 of processing, after being impacted below about 2000 times, have from 30% skew of its original convex curvature and from its 30% skew of original scroll curvature.

In one embodiment, it is being formed by alpha-beta Ti alloys and be heat-treated under equal to or higher than its solid solubility temperature Panel 14, after being impacted below about 2000 times, have from less than 30% skew of its original convex curvature and from its Less than 30% skew of original scroll curvature.In one embodiment, it is being formed by alpha-beta Ti alloys and being equal to or Higher than the panel 14 being heat-treated under its solid solubility temperature, after being impacted below about 2000 times, have from its original convex curvature Less than 25% skew and less than 25% skew from its original scroll curvature.In one embodiment, closed by alpha-beta Ti Panel 14 that is that gold is formed and being heat-treated under equal to or higher than its solid solubility temperature, after being impacted below about 2000 times, With less than 20% skew from its original convex curvature and less than 20% skew from its original scroll curvature.At one In embodiment, panel 14 that is being formed by alpha-beta Ti alloys and being heat-treated under equal to or higher than its solid solubility temperature, big After less than about 2000 times impacts, have from less than 15% skew of its original convex curvature and from its original scroll curvature Less than 15% skew.In one embodiment, it is being formed by alpha-beta Ti alloys and equal to or higher than its solid solubility temperature The panel 14 of lower heat treatment, after being impacted below about 2000 times, have from less than the 10% of its original convex curvature it is inclined Shifting and less than 10% skew from its original scroll curvature.In one embodiment, it is being formed by alpha-beta Ti alloys and The panel 14 being heat-treated under equal to or higher than its solid solubility temperature, after being impacted below about 2000 times, have original from its Less than 9% skew of convex curvature and less than 9% skew from its original scroll curvature.In one embodiment, by Panel 14 that is that alpha-beta Ti alloys are formed and being heat-treated under equal to or higher than its solid solubility temperature, hits below about 2000 times After beating, there is less than 8% skew from its original convex curvature and less than 8% skew from its original scroll curvature. In one embodiment, panel that is being formed by alpha-beta Ti alloys and being heat-treated under equal to or higher than its solid solubility temperature 14, after being impacted below about 2000 times, have from less than 7% skew of its original convex curvature and from its original scroll Less than 7% skew of curvature.In one embodiment, it is being formed by alpha-beta Ti alloys and equal to or higher than its solid solution At a temperature of the panel 14 that is heat-treated, after being impacted below about 2000 times, have from less than the 6% of its original convex curvature Skew and less than 6% skew from its original scroll curvature.In one embodiment, it is being formed by alpha-beta Ti alloys and The panel 14 being heat-treated under equal to or higher than its solid solubility temperature, after being impacted below about 2000 times, have original from its Less than 5% skew of convex curvature and less than 5% skew from its original scroll curvature.In one embodiment, by Panel 14 that is that alpha-beta Ti alloys are formed and being heat-treated under equal to or higher than its solid solubility temperature, hits below about 2000 times After beating, there is less than 4% skew from its original convex curvature and less than 4% skew from its original scroll curvature. In one embodiment, panel that is being formed by alpha-beta Ti alloys and being heat-treated under equal to or higher than its solid solubility temperature 14, after being impacted below about 2000 times, have from less than 3% skew of its original convex curvature and from its original scroll Less than 3% skew of curvature.In one embodiment, it is being formed by alpha-beta Ti alloys and equal to or higher than its solid solution At a temperature of the panel 14 that is heat-treated, after being impacted below about 2000 times, have from less than the 2% of its original convex curvature Skew and less than 2% skew from its original scroll curvature.In one embodiment, it is being formed by alpha-beta Ti alloys and The panel 14 being heat-treated under equal to or higher than its solid solubility temperature, after being impacted below about 2000 times, have original from its Less than 1% skew of convex curvature and less than 1% skew from its original scroll curvature.In one embodiment, by Panel 14 that is that alpha-beta Ti alloys are formed and being heat-treated under equal to or higher than its solid solubility temperature, hits below about 2000 times After beating, there is less than 0% skew from its original convex curvature and less than 0% skew from its original scroll curvature.

Thus, except other aspects, the present invention also provides the method for forming golf clubs head assembly.Although with reference to certain A little preferred embodiments are to the present invention have been described in detail, but as described, independent in the one or more of the present invention Exist within the scope and spirit of aspect and change and modifications.

The method that 1st forms golf clubs head assembly, methods described include：

Panel is set to be alignd with the recess of club head；

The panel is soldered to the club head；

After the panel is welded, the club head and the panel are heated to the solid solution temperature of at least described panel Degree, and kept for the time of scheduled volume；And

After the club head and the panel is heated, make the club head and the panel cold in inert gas But.

Methods of 2nd according to the 1st, it further comprises：The panel is formed by alpha-beta titanium alloy.

Methods of 3rd according to the 1st, wherein, welding the panel includes pulsed plasma welding process.

Methods of 4th according to the 1st, there is provided minimum thickness is 0.7 millimeter of panel.

Methods of 5th according to the 1st, wherein, heating the club head and the panel includes：By the ball Head and the panel heat 1 hour to 6 hours.

Methods of 6th according to the 5th, wherein, heating the club head and the panel includes：By the ball Head and the panel are heated to 400 DEG C to 630 DEG C or 400 DEG C to 1200 DEG C.

Methods of 7th according to the 6th, wherein, heating the club head and the panel includes：By the ball Head and the panel are heated to 475 DEG C to 625 DEG C or 520 DEG C to 1150 DEG C and kept for 1 hour to 6 hours.

Methods of 8th according to the 7th, wherein, heating the club head and the panel includes：By the ball Head and the panel are heated to 475 DEG C to 550 DEG C or 520 DEG C to 1150 DEG C and kept for 4 hours to 6 hours.

Methods of 9th according to the 8th, wherein, heating the club head and the panel includes：By the ball Head and the panel are heated to 475 DEG C to 500 DEG C or 520 DEG C to 1100 DEG C and kept for 4 hours to 6 hours.

Methods of 10th according to the 7th, wherein, heating the club head and the panel includes：By the ball Head and the panel are heated to 550 DEG C to 625 DEG C or 620 DEG C to 1200 DEG C and kept for 1 hour to 2 hours.

Methods of 11st according to the 10th, wherein, heating the club head and the panel includes：By described in Club head and the panel are heated to 575 DEG C to 625 DEG C or 720 DEG C to 1200 DEG C and kept for 1 hour to 2 hours.

The method that 12nd forms golf clubs head assembly, this method include：

The panel formed by alpha-beta titanium alloy titanium alloy is provided, the alloy has solid solubility temperature；

The panel is set to be alignd with the recess of club head；

The panel is soldered to the club head；

After the panel is welded, the club head and the panel are heated above to the solid solubility temperature of the panel Temperature, and kept for the time of scheduled volume；And

After the club head and the panel is heated, cool down the club head and the panel air.

Methods of 13rd according to the 11st, wherein, weld the panel and welded including pulsed plasma Journey.

Methods of 14th according to the 11st, wherein, heating the club head and the panel includes：By described in Club head and the panel heat 1 hour to 6 hours.

Methods of 15th according to the 13rd, wherein, heating the club head and the panel includes：By described in Club head and the panel be heated to 400 DEG C to 630 DEG C, 400 DEG C to 1200 DEG C, 500 DEG C to 1030 DEG C, 680 DEG C to 1030 DEG C, 760 DEG C to 1030 DEG C, 870 DEG C to 1030 DEG C, 890 DEG C to 1030 DEG C or 960 DEG C to 1030 DEG C.

Methods of 16th according to the 15th, wherein, heating the club head and the panel includes：By described in Club head and the panel are heated to 475 DEG C to 625 DEG C or 520 DEG C to 1200 DEG C and kept for 1 hour to 6 hours.

Methods of 17th according to the 16th, wherein, heating the club head and the panel includes：By described in Club head and the panel are heated to 475 DEG C to 550 DEG C or 520 DEG C to 1150 DEG C and kept for 4 hours to 6 hours.

Methods of 18th according to the 17th, wherein, heating the club head and the panel includes：By described in Club head and the panel are heated to 475 DEG C to 500 DEG C or 520 DEG C to 1100 DEG C and kept for 4 hours to 6 hours.

Methods of 19th according to the 15th, wherein, heating the club head and the panel includes：By described in Club head and the panel are heated to 550 DEG C to 625 DEG C or 620 DEG C to 1200 DEG C and kept for 1 hour to 2 hours.

Methods of 20th according to the 19th, wherein, heating the club head and the panel includes：By described in Club head and the panel are heated to 575 DEG C to 625 DEG C or 720 DEG C to 1200 DEG C and kept for 1 hour to 2 hours.

Methods of 21st according to the 12nd, wherein alpha-beta titanium alloy of the panel by the Al with 7-20wt% Formed.

Methods of 22nd according to the 21st, wherein the inert gas is selected from：Nitrogen (N), argon (Ar), helium (He), Neon (Ne), krypton (Kr) and xenon (Xe) and its mixed gas.

Methods of 23rd according to the 22nd, wherein, the inert gas is nitrogen (N) or argon (Ar) or it is mixed Close gas.

The method that 24th forms golf clubs head assembly, methods described include：(a) provide and formed by alpha-beta titanium alloy Panel, the alpha-beta titanium alloy includes：6.5wt% to 20wt% aluminium (Al), 1.0wt% to 2.0wt% vanadium (V), 0.20wt% or less oxygen (O) and 0.20wt% or less silicon (Si)；(b) panel and the recess of club head are made Alignment；(c) panel is soldered to the club head；(d) club head and the panel are heated above the face The temperature of the solid solubility temperature of plate, and kept for the time of scheduled volume；And (e) makes the club head and the panel in inert gas Middle cooling, wherein, step (d) performs 1 hour to 6 hours between 520 DEG C to 1200 DEG C.

Methods of 25th according to the 24th, wherein, the alpha-beta titanium alloy also includes：0.30wt% or less Iron (Fe), 0.08wt% or less carbon (C), 0.05wt% or less nitrogen (N), micro molybdenum (Mo), micro tin (Sn), And remaining percentage by weight is titanium (Ti).

Methods of 26th according to the 24th, wherein, the welding of step (c) was welded including pulsed plasma Journey.

Methods of 27th according to the 24th, wherein, the inert gas of step (e) is selected from：Nitrogen (N), argon (Ar), Helium (He), neon (Ne), krypton (Kr) and xenon (Xe) or its mixed gas.

Methods of 28th according to the 27th, wherein, the inert gas is nitrogen (N) or argon (Ar).

Methods of 29th according to the 24th, wherein, the minimum thickness of the panel of step (a) is 0.7 millimeter.

Methods of 30th according to the 24th, wherein, step (d) includes：At 550 DEG C to 1200 DEG C by the ball Head and the panel heat 1 hour to 2 hours.

Methods of 31st according to the 30th, wherein, heating the club head and the panel includes：By described in Club head and the panel are heated to 575 DEG C to 1200 DEG C and kept for 1 hour to 2 hours.

The method that 32nd forms golf clubs head assembly, methods described include：

The panel formed by alpha-beta titanium alloy is provided, the alpha-beta titanium alloy includes：6.5wt% to 20wt% aluminium (Al), 1.0wt% to 2.0wt% vanadium (V), 0.20wt% or less oxygen (O), 0.20wt% or less silicon (Si), 0.30wt% It is or less iron (Fe), 0.08wt% or less carbon (C), 0.05wt% or less nitrogen (N), micro molybdenum (Mo), micro Tin (Sn), and remaining percentage by weight is titanium (Ti)；The panel is set to be alignd with the recess of club head；By the face Plate weld is to the club head；After the panel is welded, the club head and the panel are heated above the face The temperature of the solid solubility temperature of plate, and kept for the time of scheduled volume；And after the club head and the panel is heated, make institute State club head and the panel cools down in inert gas environment.

Methods of 33rd according to the 32nd, wherein, weld the panel and welded including pulsed plasma Journey.

Methods of 34th according to the 32nd, wherein, heating the club head and the panel includes：By described in Club head and the panel heat 1 hour to 6 hours.

Methods of 35th according to the 34th, wherein, heating the club head and the panel includes：By described in Club head and the panel are heated to 520 DEG C to 1200 DEG C.

Methods of 36th according to the 35th, wherein, heating the club head and the panel includes：By described in Club head and the panel are heated to 520 DEG C to 1200 DEG C and kept for 1 hour to 6 hours.

Methods of 37th according to the 36th, wherein, heating the club head and the panel includes：By described in Club head and the panel are heated to 520 DEG C to 1150 DEG C and kept for 4 hours to 6 hours.

Methods of 38th according to the 37th, wherein, heating the club head and the panel includes：By described in Club head and the panel are heated to 520 DEG C to 1100 DEG C and kept for 4 hours to 6 hours.

Methods of 39th according to the 35th, wherein, heating the club head and the panel includes：By described in Club head and the panel are heated to 550 DEG C to 1200 DEG C and kept for 1 hour to 2 hours.

Methods of 40th according to the 39th, wherein, heating the club head and the panel includes：By described in Club head and the panel are heated to 575 DEG C to 1200 DEG C and kept for 1 hour to 2 hours.

Methods of 41st according to the 32nd, wherein, the inert gas of step (e) is selected from：Nitrogen (N), argon (Ar), Helium (He), neon (Ne), krypton (Kr) and xenon (Xe) or its mixed gas.

Methods of 42nd according to the 41st, wherein, the inert gas is nitrogen (N) or argon (Ar).

Methods of 43rd according to the 32nd, wherein, the minimum thickness of the panel of step (a) is 0.7 millimeter.

44th glof club head, it includes：Bizet, bottom；Toe end；Heel end；It is arranged at the bizet and institute State between bottom and the recess between the toe end and the heel end；Be arranged at the heel end it is neighbouring insert Mouthful；Alignd with recess and be soldered to the panel of the club head, the panel has in the heel end and the toe The convex curvature stretched between end, the panel include alpha-beta titanium alloy, and the alpha-beta titanium alloy includes：6.5wt% to 20wt% Aluminium (Al), 1.0wt% to 2.0wt% vanadium (V), 0.20wt% or less oxygen (O), 0.20wt% or less silicon (Si), 0.30wt% or less iron (Fe), 0.08wt% or less carbon (C), 0.05wt% or less nitrogen (N), micro Molybdenum (Mo), micro tin (Sn), and remaining percentage by weight is titanium (Ti)；Wherein, the panel is being soldered to institute After stating club head, the club head and the panel are heated 1 hour to 6 hours at 525 DEG C to 1200 DEG C；And make described Club head and the panel cool down in inert gas.

45th alpha-beta titanium alloy, the alpha-beta titanium alloy include：7wt% to 20wt% aluminium (Al), 1.0wt% are extremely 2.0wt% vanadium (V), 0.20wt% or less oxygen (O) and 0.20wt% or less silicon (Si).

Alloys of 46th according to the 45th, it includes 7wt% to 13wt% aluminium (Al).

Alloys of 47th according to the 45th, it includes 8.5wt% to 13wt% aluminium (Al).

Alloys of 48th according to the 45th, it includes 10wt% to 13wt% aluminium (Al).

Alloys of 49th according to the 45th, it includes 11wt% to 13wt% aluminium (Al).

50th alloys of the according to any one of the 45th to 49, it is included：0.30wt% or less iron (Fe), 0.08wt% or less carbon (C), 0.05wt% or less nitrogen (N), micro molybdenum (Mo), micro tin (Sn), and And remaining percentage by weight is titanium (Ti).

Claims

1. forming the method for golf clubs head assembly, methods described includes：

(a) panel formed by alpha-beta titanium alloy is provided, the alpha-beta titanium alloy includes：6.5wt% to 20wt% aluminium (Al), 1.0wt% to 2.0wt% vanadium (V), 0.20wt% or less oxygen (O), and 0.20wt% or less silicon (Si)；

(b) panel is made to be alignd with the recess of club head；

(c) panel is soldered to the club head；

(d) club head and the panel are heated above to the temperature of the solid solubility temperature of the panel, and keep pre- timing Between；And

(e) club head and the panel is made to be cooled down in inert gas,

Wherein step (d) performs 1 hour to 6 hours at 520 DEG C to 1200 DEG C.

2. forming the method for golf clubs head assembly, methods described includes：

The method as described in claim 1, wherein the alpha-beta titanium alloy includes 7wt% to 13wt% aluminium (Al).

3. forming the method for golf clubs head assembly, methods described includes：

The method as described in claim 1, wherein the alpha-beta titanium alloy includes 8.5wt% to 13wt% aluminium (Al).

4. forming the method for golf clubs head assembly, methods described includes：

The method as described in claim 1, wherein the alpha-beta titanium alloy includes 10wt% to 13wt% aluminium (Al).

5. the method as described in claim 1, wherein the alpha-beta titanium alloy also comprising 0.30wt% or less iron (Fe), 0.08wt% or less carbon (C), 0.05wt% or less nitrogen (N), micro molybdenum (Mo), micro tin (Sn), and remain Remaining percentage by weight is titanium (Ti).

6. the welding of the method as described in claim 1, wherein step (c) includes pulsed plasma welding process.

7. the inert gas of the method as described in claim 1, wherein step (e) is selected from：Nitrogen (N), argon (Ar), helium (He), neon (Ne), krypton (Kr) and xenon (Xe) or its mixed gas.

8. method as claimed in claim 4, wherein the inert gas is nitrogen (N) or argon (Ar).

9. the minimum thickness of the panel of the method as described in claim 1, wherein step (a) is 0.7 millimeter.

10. the method as described in claim 1, wherein step (d) include：At 550 DEG C to 1200 DEG C by the club head and institute Panel is stated to heat 1 hour to 2 hours.

11. method as claimed in claim 10, wherein heating the club head and the panel includes：By the club head and The panel is heated to 575 DEG C to 1200 DEG C and kept for 1 hour to 2 hours.

12. forming the method for golf clubs head assembly, methods described includes：The panel formed by alpha-beta titanium alloy is provided, it is described Alpha-beta titanium alloy includes 6.5wt% to 20wt% aluminium (Al), 1.0wt% to 2.0wt% vanadium (V), 0.20wt% or less Oxygen (O), 0.20wt% or less silicon (Si), 0.30wt% or less iron (Fe), 0.08wt% or less carbon (C), 0.05wt% or less nitrogen (N), micro molybdenum (Mo), micro tin (Sn), and remaining percentage by weight is titanium (Ti)；

The panel is set to be alignd with the recess of club head；

The panel is soldered to the club head；

After the panel is welded, the club head and the panel are heated above to the temperature of the solid solubility temperature of the panel Degree, and kept for the scheduled time；And

After the club head and the panel is heated, make the club head and the panel cold in inert gas environment But.

13. method as claimed in claim 12, wherein welding the panel includes pulsed plasma welding process.

14. method as claimed in claim 12, wherein heating the club head and the panel includes：By the club head and The panel heats 1 hour to 6 hours.

15. method as claimed in claim 14, wherein heating the club head and the panel includes：By the club head and The panel is heated to 520 DEG C to 1200 DEG C.

16. method as claimed in claim 15, wherein heating the club head and the panel includes：By the club head and The panel is heated to 520 DEG C to 1200 DEG C and kept for 1 hour to 6 hours.

17. method as claimed in claim 16, wherein heating the club head and the panel includes：By the club head and The panel is heated to 520 DEG C to 1150 DEG C and kept for 4 hours to 6 hours.

18. method as claimed in claim 17, wherein heating the club head and the panel includes：By the club head and The panel is heated to 520 DEG C to 1100 DEG C and kept for 4 hours to 6 hours.

19. method as claimed in claim 15, wherein heating the club head and the panel includes：By the club head and The panel is heated to 550 DEG C to 1200 DEG C and kept for 1 hour to 2 hours.

20. method as claimed in claim 19, wherein heating the club head and the panel includes：By the club head and The panel is heated to 575 DEG C to 1200 DEG C and kept for 1 hour to 2 hours.

21. the inert gas of method as claimed in claim 20, wherein step (e) is selected from：Nitrogen (N), argon (Ar), helium (He), Neon (Ne), krypton (Kr) and xenon (Xe) or its mixed gas.

22. method as claimed in claim 21, wherein the inert gas is nitrogen (N) or argon (Ar).

23. the minimum thickness of the panel of the method as described in claim 1, wherein step (a) is 0.7 millimeter.

24. glof club head, it includes：

Bizet；

Bottom；

Toe end；

Heel end；

It is arranged at the recess between the bizet and the bottom and between the toe end and the heel end；

It is arranged at the socket neighbouring with the heel end；

Alignd with recess and be soldered to the panel of the club head, the panel has positioned at the bizet and the toe Scroll curvature between end, the panel include alpha-beta titanium alloy, and the alpha-beta titanium alloy includes：6.5wt% to 20wt% aluminium (Al), 1.0wt% to 2.0wt% vanadium (V), 0.20wt% or less oxygen (O), 0.20wt% or less silicon (Si), 0.30wt% or less iron (Fe), 0.08wt% or less carbon (C), 0.05wt% or less nitrogen (N), micro molybdenum (Mo), micro tin (Sn), and remaining percentage by weight is titanium (Ti)；

Wherein after the panel is soldered into the club head, at 525 DEG C to 1200 DEG C by the club head and the face Plate heats 1 hour to 6 hours；And the club head and the panel is set to be cooled down in inert gas.

25. alpha-beta titanium alloy, the alpha-beta titanium alloy includes：7wt% to 20wt% aluminium (Al), 1.0wt% to 2.0wt% vanadium (V), 0.20wt% or less oxygen (O), and 0.20wt% or less silicon (Si).

26. alloy as claimed in claim 25, it includes 7wt% to 13wt% aluminium (Al).

27. alloy as claimed in claim 25, it includes 8.5wt% to 13wt% aluminium (Al).

28. alloy as claimed in claim 25, it includes 10wt% to 13wt% aluminium (Al).

29. alloy as claimed in claim 25, it includes 11wt% to 13wt% aluminium (Al).

30. the alloy as any one of claim 25 to 29, it is included：0.30wt% or less iron (Fe), 0.08wt% or less carbon (C), 0.05wt% or less nitrogen (N), micro molybdenum (Mo), micro tin (Sn), and remain Remaining percentage by weight is titanium (Ti).