TWI788962B - A golf club head - Google Patents
A golf club head Download PDFInfo
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- TWI788962B TWI788962B TW110130710A TW110130710A TWI788962B TW I788962 B TWI788962 B TW I788962B TW 110130710 A TW110130710 A TW 110130710A TW 110130710 A TW110130710 A TW 110130710A TW I788962 B TWI788962 B TW I788962B
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- club head
- golf club
- alloy
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- 229910045601 alloy Inorganic materials 0.000 claims abstract description 82
- 239000000956 alloy Substances 0.000 claims abstract description 82
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 15
- 239000011733 molybdenum Substances 0.000 claims abstract description 15
- 239000010936 titanium Substances 0.000 claims abstract description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims description 13
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 10
- 229910052715 tantalum Inorganic materials 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 24
- 230000032683 aging Effects 0.000 description 13
- 239000000758 substrate Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 238000010791 quenching Methods 0.000 description 7
- 230000000171 quenching effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002431 foraging effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2209/00—Characteristics of used materials
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Golf Clubs (AREA)
Abstract
Description
本發明係關於一種高爾夫球桿頭合金，尤其是一種具有高強度的高爾夫球桿頭合金，以及該高爾夫球桿頭合金所鑄造的高爾夫球桿頭。 The present invention relates to a golf club head alloy, especially a golf club head alloy with high strength, and a golf club head cast from the golf club head alloy.
鈦合金因兼具良好的強度、耐蝕性以及耐熱性，所以被廣泛的用以作為高爾夫球桿頭的鑄材，例如，習知811鈦合金係包含以重量百分比計約為8%之鋁、1%之釩、1%之鉬，其餘比例為鈦及不可避免之雜質。如此，該習知的811鈦合金所製成的高爾夫球桿頭可具有較佳的強度，可為使用者帶來合適的打感。 Titanium alloys are widely used as casting materials for golf club heads because of their good strength, corrosion resistance and heat resistance. For example, the known 811 titanium alloys contain about 8% by weight of aluminum, 1% vanadium, 1% molybdenum, the remaining proportion is titanium and unavoidable impurities. In this way, the golf club head made of the conventional 811 titanium alloy can have better strength and can bring a suitable feeling to the user.
如今，使用者為了追求更佳的打感，擊球力道越來越強，該習知811鈦合金所製成的高爾夫球桿頭開始面臨強度不足的問題。於是，業者遂調整習知811鈦合金的組成，將鉬剔除以形成包含重量百分比計約7.5%之鋁、4.5%之釩、1.2%之鉻，其餘比例為鈦及不可避免之雜質之鈦合金(140C鈦合金)，如此，相較於上述習知811鈦合金，該140C鈦合金所製成的高爾夫球桿頭可以具有更高的強度。惟，以該140C鈦合金製成高爾夫球桿頭的成形率極低，因此難以被廣泛的使用。 Nowadays, in order to pursue a better hitting feeling, the players hit the ball more and more powerfully, and the golf club head made of the conventional 811 titanium alloy begins to face the problem of insufficient strength. Therefore, the industry adjusts the composition of the conventional 811 titanium alloy, removes the molybdenum to form a titanium alloy containing about 7.5% aluminum by weight, 4.5% vanadium, 1.2% chromium, and the remaining proportion is titanium and unavoidable impurities. (140C titanium alloy), so, compared with the above-mentioned conventional 811 titanium alloy, the golf club head made of the 140C titanium alloy can have higher strength. However, the forming rate of the golf club head made of the 140C titanium alloy is extremely low, so it is difficult to be widely used.
有鑑於此，習知的高爾夫球桿頭合金確實仍有加以改善之必要。 In view of this, the known golf club head alloys still need to be improved.
為解決上述問題，本發明的目的是提供一種高爾夫球桿頭合金，可使該高爾夫球桿頭合金所製成高爾夫球桿頭具有較佳強度。 In order to solve the above problems, the object of the present invention is to provide a golf club head alloy, which can make the golf club head made of the golf club head alloy have better strength.
本發明的次一目的是提供一種高爾夫球桿頭合金，可提升製成高爾夫球桿頭成形率。 Another object of the present invention is to provide a golf club head alloy that can improve the forming rate of the golf club head.
本發明的又一目的是提供一種高爾夫球桿頭，其具有較佳打感者 Another object of the present invention is to provide a golf club head with better play feel
本發明全文所記載的元件及構件使用「一」或「一個」之量詞，僅是為了方便使用且提供本發明範圍的通常意義；於本發明中應被解讀為包括一個或至少一個，且單一的概念也包括複數的情況，除非其明顯意指其他意思。 The elements and components described throughout the present invention use the quantifier "a" or "an" only for convenience and to provide the usual meaning of the scope of the present invention; in the present invention, it should be interpreted as including one or at least one, and singular The notion of also includes the plural unless it is obvious that it means otherwise.
本發明的高爾夫球桿頭，以一高爾夫球桿頭合金鑄造形成，該高爾夫球桿頭合金包含：以重量百分比計為8~9%之鋁、3.5~4.5%之釩、≦2%之鉬以及平衡量的鈦及不可避免之雜質，該高爾夫球桿頭具有150~169ksi的抗拉強度，及138~156ksi的降伏強度。 The golf club head of the present invention is formed by casting a golf club head alloy. The golf club head alloy includes: 8-9% aluminum by weight percentage, 3.5-4.5% vanadium, and ≦2% molybdenum As well as a balanced amount of titanium and inevitable impurities, the golf club head has a tensile strength of 150-169 ksi and a yield strength of 138-156 ksi.
據此，本發明的高爾夫球桿頭合金，藉由上述金屬的組成配比，可使該高爾夫球桿頭合金具有穩定的α相及β相，藉此提升高爾夫球桿頭的品質。並且，相較於811鈦合金及140C鈦合金，本揭露具有更佳的機械性質。此外，本發明的高爾夫球桿頭合金製造的高爾夫球桿頭，具有較佳的桿頭成形率以及較佳的機械性質，可達到提升生產良率，以及具有良好打感的功效。 Accordingly, the golf club head alloy of the present invention can have stable α phase and β phase through the composition ratio of the above metals, thereby improving the quality of the golf club head. Moreover, compared with 811 titanium alloy and 140C titanium alloy, the present disclosure has better mechanical properties. In addition, the golf club head made of the golf club head alloy of the present invention has a better club head shaping rate and better mechanical properties, which can achieve the effects of improving production yield and having a good play feeling.
其中，該高爾夫球桿頭合金可以包含以重量百分比計為8.5%之鋁。如此，可以使該高爾夫球桿頭合金製成桿頭時，可以具有較佳的成形率，以及使該桿頭具有較佳強度的功效。 Wherein, the golf club head alloy may contain 8.5% aluminum by weight percentage. In this way, when the golf club head alloy is made into a club head, it can have a better forming rate, and the club head can have better strength.
其中，該高爾夫球桿頭合金可以包含以重量百分比計為4%之釩。如此，可使該高爾夫球桿頭合金製成桿頭時，具有較佳的成形率，以及使該桿頭具有較佳強度的功效。 Wherein, the golf club head alloy may contain 4% vanadium by weight percentage. In this way, when the golf club head alloy is made into a club head, it can have a better forming rate and the effect of making the club head have better strength.
其中，該高爾夫球桿頭合金可以包含以重量百分比計為1%之鉬。如此，可使該高爾夫球桿頭合金所製成的桿頭具有較佳的強度，且可提升該桿頭之成形率的功效。 Wherein, the golf club head alloy may contain 1% molybdenum by weight percentage. In this way, the club head made of the golf club head alloy can have better strength, and the efficiency of forming rate of the club head can be improved.
該高爾夫球桿頭合金更包含≦1%之鉭。如此，可使該高爾夫球桿頭合金所製成的桿頭具有較佳的強度，且可提升該桿頭之成形率的功效。 The golf club head alloy further includes ≦1% tantalum. In this way, the club head made of the golf club head alloy can have better strength, and the efficiency of forming rate of the club head can be improved.
其中，該高爾夫球桿頭具有4.401~4.413g/cm3的密度。如此，該高爾夫球桿頭係具有較佳品質的功效。 Wherein, the golf club head has a density of 4.401-4.413 g/cm 3 . In this way, the golf club head system has better quality effects.
為讓本發明之上述及其他目的、特徵及優點能更明顯易懂，下文特舉本發明之較佳實施例，並配合所附圖式，作詳細說明如下： In order to make the above and other purposes, features and advantages of the present invention more comprehensible, the preferred embodiments of the present invention are specifically cited below, together with the accompanying drawings, as follows:
本發明之高爾夫球桿頭合金的一較佳實施例，係包含：鋁(Al)、釩(V)、鉬(Mo)以及平衡量的鈦(Ti)及不可避免之雜質。如此，該高爾夫球桿頭合金可以形成一鈦合金，以作為鑄材並可形成具有良好強度的高爾夫球桿頭。 A preferred embodiment of the golf club head alloy of the present invention includes: aluminum (Al), vanadium (V), molybdenum (Mo) and a balance of titanium (Ti) and inevitable impurities. Thus, the golf club head alloy can be formed into a titanium alloy as a cast material and can form a golf club head with good strength.
詳言之，鋁金屬可以穩定鈦合金的α相，於高爾夫球桿頭合金中添加鋁，可提升高爾夫球桿頭合金製成桿頭的成形率。然而，過高的鋁會導致桿頭的脆化，過低的鋁又會使得成形率不佳。經調整後，本發明之高爾夫球桿頭合金包含以重量百分比計為8~9%之鋁。在一實施例中，高爾夫球桿頭合金包含8.5%之鋁，使得高爾夫球桿頭合金製成桿頭時，具有較佳的成形率以及較佳的強度。 Specifically, aluminum metal can stabilize the α-phase of titanium alloy, and adding aluminum to the golf club head alloy can improve the forming rate of the golf club head alloy. However, too high aluminum will lead to embrittlement of the club head, and too low aluminum will make the forming rate poor. After adjustment, the golf club head alloy of the present invention contains 8-9% aluminum by weight percentage. In one embodiment, the golf club head alloy contains 8.5% aluminum, so that when the golf club head alloy is made into a club head, it has better formability and better strength.
釩金屬為β相穩定元素的同晶元素，釩在β相中具有較佳的固溶度。也就是說，釩溶入合金晶格後可維持晶格的穩定，故於高爾夫球桿頭合金中添加釩，可提升該桿頭的強度。然而，過高的釩會導致桿頭的成形率下降，過低又會使得桿頭的機械強度不如預期。經調整後，本發明之高爾夫球桿頭合金包含以重量百分比計3.5~4.5%之釩。在一實施例中，高爾夫球桿頭合金包含4%之釩，使得高爾夫球桿頭合金製成桿頭時，具有較佳的成形率以及較佳的強度。 Vanadium metal is an isomorphic element of β-phase stable elements, and vanadium has better solid solubility in β-phase. That is to say, after vanadium dissolves into the alloy lattice, it can maintain the stability of the lattice, so adding vanadium to the golf club head alloy can increase the strength of the golf club head. However, too high vanadium will lead to a reduction in the forming rate of the club head, and too low vanadium will cause the mechanical strength of the club head to be unsatisfactory. After adjustment, the golf club head alloy of the present invention contains 3.5-4.5% vanadium by weight percentage. In one embodiment, the golf club head alloy contains 4% vanadium, so that when the golf club head alloy is made into a club head, it has better formability and better strength.
鉬金屬可穩定鈦合金的β相，該高爾夫球桿頭合金中添加鉬可提升該桿頭的強度。因此，該高爾夫球桿頭合金包含以重量百分比計≦2%之鉬。在一實施例中，高爾夫球桿頭合金包含1%之鉬，可使該桿頭具有較佳的強度，且可提升該桿頭之成形率。 Molybdenum metal stabilizes the beta phase of titanium alloys, and the addition of molybdenum to this golf club head alloy increases the strength of the head. Therefore, the golf club head alloy contains ≦2% molybdenum by weight percentage. In one embodiment, the golf club head alloy contains 1% molybdenum, which can make the club head have better strength and improve the forming rate of the club head.
該高爾夫球桿頭合金更包含鉭(Ta)。鉭金屬可穩定鈦合金的β相，故於高爾夫球桿頭合金中添加鉭，可提升該桿頭的強度，且添加鉭並不會造成桿頭成形率下降，因此，該高爾夫球桿頭合金包含以重量百分比計≦1%之鉭，可使該桿頭具有較佳的強度，並提升該桿頭之成形率。 The golf club head alloy further includes tantalum (Ta). Tantalum metal can stabilize the β phase of titanium alloy, so the addition of tantalum to the golf club head alloy can improve the strength of the club head, and the addition of tantalum will not cause the decline in the forming rate of the club head. Therefore, the golf club head alloy Containing tantalum ≦1% by weight can make the club head have better strength and improve the forming rate of the club head.
另須說明的是，本發明之高爾夫球桿頭合金組成經適度調整，仍可獲得類似機械性質。在一實施例中，本發明之高爾夫球桿頭合金由鋁、釩、鉬、鉭、鈦以及不可避免之雜質所組成，並且以重量百分比計，鋁佔約8%至約9%、釩佔約3.5%至約4.5%、鉬佔約0.5%至約2.5%，以及鉭佔約0.5%至約1.5%。在另一實施例中，本發明之高爾夫球桿頭合金由鋁、釩、鉬、鈦以及不可避免之雜質所組成，並且以重量百分比計，鋁佔約8%至約9%、釩佔約3.5%至約4.5%、鉬佔約0.5%至約2.5%，以及鉭佔約0.5%至約1.5%。 It should also be noted that the alloy composition of the golf club head of the present invention can still obtain similar mechanical properties after moderate adjustment. In one embodiment, the golf club head alloy of the present invention is composed of aluminum, vanadium, molybdenum, tantalum, titanium and unavoidable impurities, and by weight percentage, aluminum accounts for about 8% to about 9%, vanadium accounts for From about 3.5% to about 4.5%, molybdenum from about 0.5% to about 2.5%, and tantalum from about 0.5% to about 1.5%. In another embodiment, the golf club head alloy of the present invention is composed of aluminum, vanadium, molybdenum, titanium and unavoidable impurities, and in terms of weight percentage, aluminum accounts for about 8% to about 9%, vanadium accounts for about 3.5% to about 4.5%, molybdenum from about 0.5% to about 2.5%, and tantalum from about 0.5% to about 1.5%.
此外，製作本發明高爾夫球桿頭合金時，可將上述金屬元素的金屬錠，或者具有上述金屬的母合金於高溫熔爐中，或者高周波爐中熔融混 合，以形成包含上述重量百分比之金屬的一合金基材。如此，該合金基材可用以鑄造一高爾夫球桿頭。 In addition, when producing the golf club head alloy of the present invention, metal ingots of the above-mentioned metal elements, or master alloys containing the above-mentioned metals can be melted and mixed in a high-temperature melting furnace, or in a high-frequency furnace. combined to form an alloy substrate comprising the metals in the above weight percentages. As such, the alloy substrate can be used to cast a golf club head.
此外，本發明的合金基材可進一步做熱處理處理。舉例來說，此熱處理處理為一熱處理程序，其係利用時效處理進行升溫，再以淬火處理進行降溫。就時效處理而言，係使該合金基材於450~750℃維持0.5~2小時，進行時效處理。在一實施例中，係使該合金基材於580~620℃維持1小時以進行時效處理。就淬火處理而言，接續前述的時效處理，係以一淬火介質對時效處理後的該合金基材進行冷卻10~20分鐘，以使該合金基材的溫度降至室溫。該淬火介質可以為水、油、無機鹽水溶液、有機鹽水溶液或氣體。在一實施例中，該淬火介質為中性氣體或惰性氣體，如此，可以避免該合金基材晶相的改變，以避免該合金基材製作成桿頭後，該桿頭機械性質的下降。據此，經由時效處理及淬火處理後的合金基材，於鑄造該高爾夫球桿頭時，具有提升該高爾夫球桿頭機械性質的作用。 In addition, the alloy substrate of the present invention can be further subjected to heat treatment. For example, the heat treatment is a heat treatment procedure, which uses aging treatment to raise the temperature, and then quenches the temperature to lower the temperature. In terms of aging treatment, the alloy substrate is maintained at 450-750° C. for 0.5-2 hours for aging treatment. In one embodiment, the alloy substrate is maintained at 580-620° C. for 1 hour for aging treatment. As for the quenching treatment, following the aforementioned aging treatment, the alloy substrate after aging treatment is cooled for 10-20 minutes with a quenching medium, so that the temperature of the alloy substrate drops to room temperature. The quenching medium can be water, oil, inorganic salt solution, organic salt solution or gas. In one embodiment, the quenching medium is a neutral gas or an inert gas, so that the change of the crystal phase of the alloy substrate can be avoided, and the mechanical properties of the rod head will not be reduced after the alloy substrate is manufactured into the rod head. Accordingly, the alloy base material after aging treatment and quenching treatment has the effect of improving the mechanical properties of the golf club head when casting the golf club head.
為了證實以本發明高爾夫球桿頭合金所製成的桿頭，確實具有良好的強度，遂測量如第1表所示的811鈦合金(第1組)、140C鈦合金(第2組)、本發明之一實施例(第3組)及本發明之一另實施例(第4組)製作成高爾夫球桿頭後之機械性質，其結果如以下第2表所示。 In order to confirm that the club head made of the golf club head alloy of the present invention really has good strength, the 811 titanium alloy (the first group), the 140C titanium alloy (the second group), and the titanium alloy shown in the first table are measured. The mechanical properties of one embodiment of the present invention (group 3) and another embodiment of the present invention (group 4) after being made into golf club heads are shown in Table 2 below.
依據上述試驗結果可知，以本發明高爾夫球桿頭合金製成的桿頭(第3、4組)之抗拉強度及降伏強度，皆高於811鈦合金(第1組)及140C鈦合金(第2組)所製成之高爾夫球桿頭。另，以本發明第3組合金製成的高爾夫球桿頭具有4.401~4.405g/cm3的密度，以本發明第4組合金製成的高爾夫球桿頭具有4.409~4.413g/cm3的密度，顯示本發明高爾夫球桿頭合金製成的桿頭具有低密度的同時，亦能維持一定強度。另外，須說明的是，第3組、第4組的組成配比依需求做適度調整，亦可獲得類似的機械性質。 According to the above test results, the tensile strength and yield strength of the club heads (groups 3 and 4) made of the golf club head alloy of the present invention are higher than those of 811 titanium alloy (group 1) and 140C titanium alloy (group 1). Group 2) made of golf club heads. In addition, the golf club head made of the third alloy of the present invention has a density of 4.401 to 4.405 g/cm 3 , and the golf club head made of the fourth alloy of the present invention has a density of 4.409 to 4.413 g/cm 3 Density shows that the club head made of the golf club head alloy of the present invention can maintain a certain strength while having low density. In addition, it should be noted that similar mechanical properties can also be obtained by appropriately adjusting the composition ratio of the third group and the fourth group according to the demand.
此外，前述四個組別的合金亦有實際應用於鑄造中，藉以測試各組合金的鑄件成形率。簡單來說，高爾夫球桿頭於鑄造時，會先製作一個殼模，再將液態合金灌入殼模中。待液態合金降溫後，會凝固為與殼模相同的形狀，藉此獲得一鑄件。但實際生產過程中，並非所有的鑄件皆能完全複製出殼模的形狀。例如，因液態合金流動性不佳，導致鑄件有破損或裂孔。根據這些具有瑕疵的鑄件數量，可進一步計算出鑄造的成形率。經實驗該140C鈦合金(第2組)鑄造該高爾夫球桿頭的成形率僅有0~2%，相較於此，本發明高爾夫球桿頭合金(第3、4組)鑄造該高爾夫球桿頭的成形率為86%，據此，本發明高爾夫球桿頭合金除了可製成具有良好強度的高爾夫球桿頭外， 亦可提升高爾夫球桿頭的成形率。 In addition, the aforementioned four groups of alloys are also actually used in casting, so as to test the casting forming rate of each combination of alloys. To put it simply, when casting a golf club head, a shell mold is made first, and then liquid alloy is poured into the shell mold. After the liquid alloy cools down, it will solidify into the same shape as the shell mold, thereby obtaining a casting. But in the actual production process, not all castings can completely reproduce the shape of the shell mold. For example, due to the poor fluidity of the liquid alloy, the casting has breakage or cracks. According to the number of castings with defects, the forming rate of casting can be further calculated. According to experiments, the 140C titanium alloy (group 2) casts the golf club head with a forming rate of only 0-2%. Compared with this, the golf club head alloy of the present invention (group 3, 4) casts the golf The shaping rate of the club head is 86%. Accordingly, the golf club head alloy of the present invention can be made into a golf club head with good strength, The forming rate of the golf club head can also be improved.
如上表所示，本試驗中選取第1表中第3組及第4組之合金做試驗，並比較其機械性質。時效處理分為三種測試組別：第一，未處理(無)，作為對照組；其次，500℃處理1小時，作為比較組；其三，600℃處理1小時，作為比較組。結果如第3表所示，相較於未進行時效處理的合金基材所製成的高爾夫球桿頭，進行時效處理後，可提升該高爾夫球桿頭的機械性質。此外，當以600℃時效溫度進行時效處理1小時，相較於500℃之時效溫度進，係可以使該高爾夫球桿頭合金所製成的高爾夫球桿頭具有更佳機械性質。 As shown in the above table, in this test, the alloys of Group 3 and Group 4 in Table 1 were selected for the test, and their mechanical properties were compared. The aging treatment was divided into three test groups: first, untreated (none), as the control group; second, 500°C treatment for 1 hour, as the comparison group; third, 600°C treatment for 1 hour, as the comparison group. The results are shown in Table 3. Compared with the golf club head made of the alloy substrate without aging treatment, the mechanical properties of the golf club head can be improved after aging treatment. In addition, when the aging treatment is performed at an aging temperature of 600° C. for 1 hour, compared with an aging temperature of 500° C., the golf club head made of the golf club head alloy can have better mechanical properties.
綜上所述，本發明的高爾夫球桿頭合金，藉由上述金屬的組成配比，可使該高爾夫球桿頭合金具有穩定的α相及β相，進而可使該高爾夫球桿頭合金鑄造的該高爾夫球桿頭，可具有相較於811鈦合金及140C鈦合金更佳的機械性質，具有提升桿頭品質的功效。此外，本發明的高爾夫球桿頭合金製造的高爾夫球桿頭，具有較佳的桿頭成形率以及較佳的機械性質，係可以達到提升生產良率，以及具有良好打感的功效。 To sum up, the golf club head alloy of the present invention can have stable α-phase and β-phase through the composition ratio of the above-mentioned metals, and then the golf club head alloy can be cast Compared with the 811 titanium alloy and the 140C titanium alloy, the golf club head has better mechanical properties, and has the effect of improving the quality of the club head. In addition, the golf club head made of the golf club head alloy of the present invention has a better club head forming rate and better mechanical properties, which can achieve the effects of improving production yield and having a good play feeling.
另，本發明高爾夫球桿頭合金的熱處理方法，藉由將該合金基材進行時效處理及淬火處理，再以該合金基材鑄造成高爾夫球桿頭後，相較於進行時效處理及淬火處理前之合金基材所鑄造成的高爾夫球桿頭，係可以進一步提升該高爾夫球桿頭的機械性質，可以達到提升高爾夫球桿頭強度的功效。 In addition, the heat treatment method of the golf club head alloy of the present invention, by performing aging treatment and quenching treatment on the alloy base material, and then casting the alloy base material into a golf club head, compared with performing aging treatment and quenching treatment The golf club head cast from the alloy base material can further improve the mechanical properties of the golf club head, and can achieve the effect of improving the strength of the golf club head.
雖然本發明已利用上述較佳實施例揭示，然其並非用以限定本發明，任何熟習此技藝者在不脫離本發明之精神和範圍之內，相對上述實施例進行各種更動與修改仍屬本發明所保護之技術範疇，因此本發明之保護範圍當視後附之申請專利範圍所界定者為準。 Although the present invention has been disclosed by using the above-mentioned preferred embodiments, it is not intended to limit the present invention. It is still within the scope of this invention for anyone skilled in the art to make various changes and modifications relative to the above-mentioned embodiments without departing from the spirit and scope of the present invention. The technical scope protected by the invention, therefore, the scope of protection of the present invention should be defined by the scope of the appended patent application.
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| JP2010150624A (en) | 2008-12-26 | 2010-07-08 | Daido Steel Co Ltd | alpha+beta TYPE TITANIUM ALLOY FOR CASTING, AND GOLF CLUB HEAD USING THE SAME |
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