CN107034382A - The preparation method of alpha+beta titanium alloys and its sheet material and bar containing Fe, Cr, Zr alloying element - Google Patents
The preparation method of alpha+beta titanium alloys and its sheet material and bar containing Fe, Cr, Zr alloying element Download PDFInfo
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- CN107034382A CN107034382A CN201710111770.7A CN201710111770A CN107034382A CN 107034382 A CN107034382 A CN 107034382A CN 201710111770 A CN201710111770 A CN 201710111770A CN 107034382 A CN107034382 A CN 107034382A
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- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- 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
- C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
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- 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
Abstract
The invention discloses the preparation method of a kind of alpha+beta titanium alloys containing Fe, Cr, Zr alloying element and its sheet material and bar, the mass percent of its component is：3.0 4.5wt% aluminium, 0.3 2.0wt% iron, 3.0 5.0wt% chromium, 1.0 2.0wt% zirconium, surplus are titanium and inevitable impurity.The titanium alloy of the present invention has used cheap alloying element Fe, Cr, Zr as the intensified element of titanium alloy, the room temperature strength of alloy is higher than 1000Mpa, mechanical property is suitable with conventional titanium alloy Ti 6Al 4V, but cost is significantly reduced compared to Ti 6Al 4V, improve cost performance, the gross segregation problem of Ti 4.3Fe 7.1Cr 3Al (TFCA) alloy is overcome simultaneously, can be by controlling process of setting to form the tissue of homogenization, the expansion to titanium alloy market is significant.
Description
Technical field
The present invention relates to a kind of titanium alloy and its section bar preparation method, more particularly to a kind of low molybdenum of low vanadium, ultralow vanadium surpass
Low molybdenum or without multi phase state titanium alloy of the vanadium without molybdenum and its section bar preparation method, applied to low-cost titanium alloy material preparation technology neck
Domain.
Background technology
Titanium is as the engineering material also only history of more than 50 years, but titanium or titanium alloy is existed with its excellent performance
The industries such as Aero-Space, navigation, oil, chemical industry, medicine are played an important role：As Ti-Ni alloy because of its shape memory function,
The tubing seal and other self-con-tained units of antenna, aerospace systems available for satellite and airship；Ferrotianium, titanium magnesium alloy have excellent
Hydrogen storage property, be preferable hydrogen storage material.For many years, many countries have gradually recognized the weight of titanium or titanium alloy in the world
The property wanted, and substantial amounts of research and development has been carried out to it.
But, metal of alloying such as Mo, V containing high cost etc. more than the current titanium alloy trade mark so that titanium alloy cost is occupied
It is high not under.And replace expensive elements Mo, V etc. to be closed to develop Novel Titanium by elements such as cheap metal of alloying Fe, Cr, Mn
Gold, with good application prospect.
In recent years, existing much researchs for this respect are reported both at home and abroad.It is artificial such as the B.Guawarman of Japan
New Medical wheelchair investigation of materials Ti-4.3Fe-7.1Cr-3Al (TFCA) alloy is explored, has been used in the alloy inexpensively
Fe and Cr alloy elements, are improved compared to pure titanium performance and cost is substantially reduced, and alloy can by certain heat treatment post-processing rate
Up to more than 90%, and possesses good toughness.But element of Fe has very big segregation tendency, macroscopic view in macrostructure in alloy
Segregation has a greater change macrostructure, this considerably increases the dispersiveness of the alloy mechanical performance data, and this macroscopic view
Segregation can not be eliminated by Post isothermal treatment or plastic working, be had a negative impact to alloy property.
The content of the invention
In order to solve prior art problem, it is an object of the present invention to overcome the deficiencies of the prior art, and to provide one kind
The preparation method of alpha+beta titanium alloys and its sheet material and bar containing Fe, Cr, Zr alloying element, has used cheap alloying element
Fe, Cr, Zr are as the intensified element of titanium alloy, and the gross segregation for overcoming Ti-4.3Fe-7.1Cr-3Al (TFCA) alloy asks
Topic, the room temperature strength of alpha+beta titanium alloys of the present invention is not less than 1000Mpa, mixed phase titanium can be further expanded using the present invention
The use scope of alloy.
To reach that foregoing invention creates purpose, the present invention uses following technical proposals：
A kind of alpha+beta titanium alloys containing Fe, Cr, Zr alloying element, the mass percent of its component is：3.0-4.5wt% aluminium,
0.3-2.0wt% iron, 3.0-5.0wt% chromium, 1.0-2.0wt% zirconium, surplus are titanium and inevitable impurity.
As currently preferred technical scheme, the mass percent of its component is：3.99-4.11wt% aluminium, 0.79-
0.81wt% iron, 3.89-4.02wt% chromium, 1.47-1.57wt% zirconium, 0-0.05wt% oxygen, 0-0.001wt% nitrogen, 0-
0.001wt% carbon, 0-0.001wt% hydrogen, surplus is titanium.
As the further preferred technical scheme of the present invention, the mass percent of its component is：4.0wt% aluminium, 0.8wt%
Iron, 4.0wt% chromium, 1.5wt% zirconium, 0.04-0.05wt% oxygen, 0-0.001wt% nitrogen, 0-0.001wt% carbon, 0-
0.001wt% hydrogen, surplus is titanium.
A kind of sheet material preparation method of the alpha+beta titanium alloys containing Fe, Cr, Zr alloying element, by titanium sponge, fine aluminium, pure iron,
Pure chromium, pure zirconium carries out dispensing, according to the mass percent of following raw material components, carries out raw material components material weighing：3.0-
4.5wt% aluminium, 0.3-2.0wt% iron, 3.0-5.0wt% chromium, 1.0-2.0wt% zirconium, remaining raw material are titanium, will complete to match somebody with somebody
Each raw material components material after material is inserted in chamber type electric resistance furnace, in chamber type electric resistance furnace, and each raw material components material is located in advance
Reason, 10-12 h are incubated under 120-150 DEG C of pretreatment temperature, each raw material components material then is placed in into split-type water cooling again
In copper crucible, ingot casting is made 3-5 times in melt back, then gained ingot casting is heated into 830-870 DEG C, will casting on open-train mill
Ingot is rolled into the alpha+beta titanium alloys sheet material that thickness is 6-8mm.It is preferred to use the heat treatment mode of vacuum annealing to prepared α
+ beta-titanium alloy sheet material is heat-treated after being rolled, and it is 580-600 DEG C to control annealing temperature, and soaking time is 1.5-2.5 h, cold
But mode is air cooling.
A kind of bar preparation method of the alpha+beta titanium alloys containing Fe, Cr, Zr alloying element, by titanium sponge, fine aluminium, pure iron,
Pure chromium, pure zirconium carries out dispensing, according to the mass percent of following raw material components, carries out raw material components material weighing：3.0-
4.5wt% aluminium, 0.3-2.0wt% iron, 3.0-5.0wt% chromium, 1.0-2.0wt% zirconium, remaining raw material are titanium, will complete to match somebody with somebody
Electrode block is made using extrusion after each raw material components material mixing after material, then vacuum is welded into vacuum plasma case
Electrode, is then made ingot casting, ingot casting is at a temperature of 1050-1150 DEG C by opening by 3-5 vacuum self-consumption electrode arc melting
Base is forged into diameter of phi 40-50 mm rolling bar stock, and then bar stock is heated to 830-870 DEG C, is rolled on open-train mill
Diameter of phi 18-20 mm alpha+beta titanium alloys bar.It is preferred to use the heat treatment mode of vacuum annealing to prepared alpha+beta titanium
Alloy bar material is heat-treated after being rolled, and it is 580-600 DEG C to control annealing temperature, and soaking time is 1.5-2.5 h, the type of cooling
For air cooling.
The present invention compared with prior art, substantive distinguishing features and remarkable advantage is obviously protruded with following：
1. alpha+beta titanium alloys prepared by the present invention contain Fe, Cr, Zr alloying element, instead of titanium alloy of the tradition containing molybdenum and vanadium,
Cost is significantly reduced, it is adaptable to which more application fields sensitive to material cost, the room temperature strength of alpha+beta titanium alloys of the present invention is high
In 1000Mpa, mechanical property is suitable with conventional titanium alloy Ti-6Al-4V, but cost is significantly reduced compared to Ti-6Al-4V, improves
Cost performance, can further expand the use scope of alpha+beta titanium alloys using alpha+beta titanium alloys of the present invention, to titanium alloy market
Expansion it is significant.
2. it is alpha+beta phase bifurcation tissue, its yield strength ratio Ti-6Al- after alpha+beta titanium alloys annealing prepared by the present invention
1.7Fe-0.1Si (Timetal 62S) is higher, and alpha+beta titanium alloys prepared by the present invention overcome Ti-4.3Fe-7.1Cr-3Al
(TFCA) the gross segregation problem of alloy, can be by controlling process of setting to form the tissue of homogenization.
Embodiment
Details are as follows for the preferred embodiments of the present invention：
Embodiment one：
In the present embodiment, a kind of alpha+beta titanium alloys containing Fe, Cr, Zr alloying element, the mass percent of its alloy compositions
For：3.99wt% aluminium, 0.79wt% iron, 4.02wt% chromium, 1.47wt% zirconium, 0.05wt% oxygen, 0.001wt% nitrogen,
0.001wt% carbon, 0.001wt% hydrogen, surplus is titanium.
The sheet material preparation method of alpha+beta titanium alloys of the present embodiment containing Fe, Cr, Zr alloying element, first by titanium sponge, pure
Aluminium, pure iron, pure chromium, pure zirconium carry out dispensing, according to the mass percent of following raw material components, carry out raw material components material weighing：
3.99wt% aluminium, 0.79wt% iron, 4.02wt% chromium, 1.47wt% zirconium, remaining raw material are titanium, will be completed each after dispensing
Raw material components material is inserted in chamber type electric resistance furnace, in chamber type electric resistance furnace, each raw material components material is pre-processed, 150
DEG C pretreatment temperature under be incubated 12 h, then each raw material components material is placed in split-type water jacketed copper crucible again, melted repeatedly
Ingot casting is made 4 times in refining, then gained ingot casting is heated into 850 DEG C, on open-train mill by ingot rolling into thickness be 6-8mm's
Alpha+beta titanium alloys sheet material；Then the heat of table 2 is pressed to prepared alpha+beta titanium alloys sheet material using the heat treatment mode of vacuum annealing
Resolving system is heat-treated after being rolled, and it is 600 DEG C to control annealing temperature, and soaking time is 2 h, and the type of cooling is air cooling, most
The standard sample of alpha+beta titanium alloys sheet material is made eventually, its alloy component content is shown in Table 1.It is right referring next to GB/T228.1-2010
The standard sample of alpha+beta titanium alloys sheet material carries out room-temperature mechanical property experiment test, and its mechanical property measurement result is shown in Table 2.
The component content table for the alpha+beta titanium alloys material that table 1. is prepared in embodiment one
| Chemical element | Al | Fe | Cr | Zr | O | N | C | H | Ti |
| Content（wt%） | 3.99 | 0.79 | 4.02 | 1.47 | 0.05 | 0.001 | 0.001 | 0.001 | Surplus |
The mechanical property tests measurement result for the alpha+beta titanium alloys material sheet material that table 2. is prepared in embodiment one
The room temperature tensile intensity of alpha+beta titanium alloys sheet material manufactured in the present embodiment is more than 1000Mpa, and mechanical property is closed with traditional titanium
Golden Ti-6Al-4V is suitable, because without noble metal vanadium, cost is significantly reduced compared to Ti-6Al-4V, and Fe contents and Cr contents
Substantially less than Ti-4.3Fe-7.1Cr-3Al (TFCA) alloy, overcomes the macroscopic view of Ti-4.3Fe-7.1Cr-3Al (TFCA) alloy
Segregation problems, can further expand the use scope of alpha+beta titanium alloys using alpha+beta titanium alloys manufactured in the present embodiment.
Embodiment two：
The present embodiment and embodiment one are essentially identical, are particular in that：
In the present embodiment, a kind of alpha+beta titanium alloys containing Fe, Cr, Zr alloying element, the mass percent of its alloy compositions
For：4.0wt% aluminium, 0.8wt% iron, 4.0wt% chromium, 1.5wt% zirconium, 0.05wt% oxygen, 0.001wt% nitrogen,
0.001wt% carbon, 0.001wt% hydrogen, surplus is titanium.
The sheet material preparation method of alpha+beta titanium alloys of the present embodiment containing Fe, Cr, Zr alloying element, first by titanium sponge, pure
Aluminium, pure iron, pure chromium, pure zirconium carry out dispensing, according to the mass percent of following raw material components, carry out raw material components material weighing：
4.0wt% aluminium, 0.8wt% iron, 4.0wt% chromium, 1.5wt% zirconium, remaining raw material are titanium, will complete each raw material after dispensing
Component material is inserted in chamber type electric resistance furnace, in chamber type electric resistance furnace, each raw material components material is pre-processed, at 150 DEG C
12 h are incubated under pretreatment temperature, then each raw material components material is placed in split-type water jacketed copper crucible again, melt back 4 times
Ingot casting is made, then gained ingot casting is heated to 850 DEG C, on open-train mill by ingot rolling into thickness be 6-8mm alpha+beta
Titanium alloy plate；Then the heat treatment of table 4 is pressed to prepared alpha+beta titanium alloys sheet material using the heat treatment mode of vacuum annealing
System is heat-treated after being rolled, and it is 600 DEG C to control annealing temperature, and soaking time is 2 h, and the type of cooling is air cooling, final system
Into the standard sample of alpha+beta titanium alloys sheet material, its alloy component content is shown in Table 3.Referring next to GB/T228.1-2010, to alpha+beta
The standard sample of titanium alloy plate carries out room-temperature mechanical property experiment test, and its mechanical property measurement result is shown in Table 4.
The component content table for the alpha+beta titanium alloys material that table 3. is prepared in embodiment two
| Chemical element | Al | Fe | Cr | Zr | O | N | C | H | Ti |
| Content（wt%） | 4.0 | 0.8 | 4.0 | 1.5 | 0.05 | 0.001 | 0.001 | 0.001 | Surplus |
The mechanical property tests measurement result for the alpha+beta titanium alloys material sheet material that table 4. is prepared in embodiment two
The room temperature tensile intensity of alpha+beta titanium alloys sheet material manufactured in the present embodiment is more than 1000Mpa, mechanical property and conventional titanium alloy
Quite, because without noble metal vanadium, cost is significantly reduced compared to Ti-6Al-4V, and Fe contents and Cr contents are aobvious by Ti-6Al-4V
Write and be less than Ti-4.3Fe-7.1Cr-3Al (TFCA) alloy, overcome the macroscopic view of Ti-4.3Fe-7.1Cr-3Al (TFCA) alloy partially
Analysis problem, can further expand the use scope of alpha+beta titanium alloys using alpha+beta titanium alloys manufactured in the present embodiment.
Embodiment three：
The present embodiment is substantially the same as in the previous example, and is particular in that：
In the present embodiment, a kind of alpha+beta titanium alloys containing Fe, Cr, Zr alloying element, the mass percent of its alloy compositions
For：4.11wt% aluminium, 0.81wt% iron, 3.89wt% chromium, 1.57wt% zirconium, 0.04wt% oxygen, 0.001wt% nitrogen,
0.001wt% carbon, 0.001wt% hydrogen, surplus is titanium.
The bar preparation method of alpha+beta titanium alloys of the embodiment containing Fe, Cr, Zr alloying element, it is characterised in that by sponge
Titanium, fine aluminium, pure iron, pure chromium, pure zirconium carry out dispensing, according to the mass percent of following raw material components, carry out raw material components material
Weigh：4.11wt% aluminium, 0.81wt% iron, 3.89wt% chromium, 1.57wt% zirconium, remaining raw material are titanium, will complete dispensing
Electrode block is made using extrusion after each raw material components material mixing afterwards, then vacuum electric is welded into vacuum plasma case
Pole, is then made ingot casting by 4 vacuum self-consumption electrode arc meltings, and ingot casting is forged into directly at a temperature of 1100 DEG C by cogging
Footpath is Φ 45mm rolling bar stock, and then bar stock is heated to 850 DEG C, and a diameter of Φ 20mm α is rolled on open-train mill
+ beta-titanium alloy bar；Then prepared alpha+beta titanium alloys bar is pressed at the heat of table 6 using the heat treatment mode of vacuum annealing
Reason system is heat-treated after being rolled, and it is 600 DEG C to control annealing temperature, and soaking time is 2 h, and the type of cooling is air cooling, finally
The standard sample of alpha+beta titanium alloys bar is made, its alloy component content is shown in Table 5.Referring next to GB/T228.1-2010, to α
The standard sample of+beta-titanium alloy bar carries out room-temperature mechanical property experiment test, and its mechanical property measurement result is shown in Table 6.
The component content table for the alpha+beta titanium alloys material that table 5. is prepared in embodiment three
| Chemical element | Al | Fe | Cr | Zr | O | N | C | H | Ti |
| Content（wt%） | 4.11 | 0.81 | 3.89 | 1.57 | 0.04 | 0.001 | 0.001 | 0.001 | Surplus |
The mechanical property tests measurement result for the alpha+beta titanium alloys material bar that table 6. is prepared in embodiment three
The room temperature tensile intensity of alpha+beta titanium alloys sheet material manufactured in the present embodiment is more than 1000Mpa, and mechanical property is closed with traditional titanium
Golden Ti-6Al-4V is suitable, because without noble metal vanadium, cost is significantly reduced compared to Ti-6Al-4V, and Fe contents and Cr contents
Substantially less than Ti-4.3Fe-7.1Cr-3Al (TFCA) alloy, overcomes the macroscopic view of Ti-4.3Fe-7.1Cr-3Al (TFCA) alloy
Segregation problems, can further expand the use scope of alpha+beta titanium alloys using alpha+beta titanium alloys manufactured in the present embodiment.
Example IV：
The present embodiment is substantially the same as in the previous example, and is particular in that：
In the present embodiment, a kind of alpha+beta titanium alloys containing Fe, Cr, Zr alloying element, the mass percent of its alloy compositions
For：4.0wt% aluminium, 0.8wt% iron, 4.0wt% chromium, 1.5wt% zirconium, 0.04wt% oxygen, 0.001wt% nitrogen,
0.001wt% carbon, 0.001wt% hydrogen, surplus is titanium.
The bar preparation method of alpha+beta titanium alloys of the embodiment containing Fe, Cr, Zr alloying element, it is characterised in that by sponge
Titanium, fine aluminium, pure iron, pure chromium, pure zirconium carry out dispensing, according to the mass percent of following raw material components, carry out raw material components material
Weigh：4.0wt% aluminium, 0.8wt% iron, 4.0wt% chromium, 1.5wt% zirconium, remaining raw material are titanium, will be completed after dispensing
Electrode block is made using extrusion after each raw material components material mixing, then vacuum electrode is welded into vacuum plasma case,
Then ingot casting is made by 3-4 vacuum self-consumption electrode arc melting, ingot casting is forged into directly at a temperature of 1100 DEG C by cogging
Footpath is Φ 45mm rolling bar stock, and then bar stock is heated to 850 DEG C, and a diameter of Φ 20mm α is rolled on open-train mill
+ beta-titanium alloy bar；Then prepared alpha+beta titanium alloys bar is pressed at the heat of table 8 using the heat treatment mode of vacuum annealing
Reason system is heat-treated after being rolled, and it is 600 DEG C to control annealing temperature, and soaking time is 2h, and the type of cooling is air cooling, final system
Into the standard sample of alpha+beta titanium alloys bar, its alloy component content is shown in Table 7.Referring next to GB/T228.1-2010, to alpha+beta
The standard sample of titanium alloy rod bar carries out room-temperature mechanical property experiment test, and its mechanical property measurement result is shown in Table 8.
The component content table for the alpha+beta titanium alloys material that table 7. is prepared in example IV
| Chemical element | Al | Fe | Cr | Zr | O | N | C | H | Ti |
| Content（wt%） | 4.0 | 0.8 | 4.0 | 1.5 | 0.04 | 0.001 | 0.001 | 0.001 | Surplus |
The mechanical property tests measurement result for the alpha+beta titanium alloys material bar that table 8. is prepared in example IV
The room temperature tensile intensity of alpha+beta titanium alloys sheet material manufactured in the present embodiment is more than 1000Mpa, and mechanical property is closed with traditional titanium
Golden Ti-6Al-4V is suitable, because without noble metal vanadium, cost is significantly reduced compared to Ti-6Al-4V, and Fe contents and Cr contents
Substantially less than Ti-4.3Fe-7.1Cr-3Al (TFCA) alloy, overcomes the macroscopic view of Ti-4.3Fe-7.1Cr-3Al (TFCA) alloy
Segregation problems, can further expand the use scope of alpha+beta titanium alloys using alpha+beta titanium alloys manufactured in the present embodiment.
The embodiment of the present invention is illustrated above, but the invention is not restricted to above-described embodiment, can also be according to this hair
The purpose of bright innovation and creation makes a variety of changes, and that is done under all Spirit Essences and principle according to technical solution of the present invention changes
Become, modify, substitute, combine or simplify, should be equivalent substitute mode, as long as meeting the goal of the invention of the present invention, as long as not
Away from alpha+beta titanium alloys of the present invention containing Fe, Cr, Zr alloying element and its preparation method of sheet material and bar technical principle and
Inventive concept, belongs to protection scope of the present invention.
Claims (7)
1. a kind of alpha+beta titanium alloys containing Fe, Cr, Zr alloying element, it is characterised in that the mass percent of its component is：3.0-
4.5wt% aluminium, 0.3-2.0wt% iron, 3.0-5.0wt% chromium, 1.0-2.0wt% zirconium, surplus are titanium and inevitable
Impurity.
2. the alpha+beta titanium alloys according to claim 1 containing Fe, Cr, Zr alloying element, it is characterised in that the quality of its component
Percentage is：3.99-4.11wt% aluminium, 0.79-0.81wt% iron, 3.89-4.02wt% chromium, 1.47-1.57wt% zirconium,
0-0.05wt% oxygen, 0-0.001wt% nitrogen, 0-0.001wt% carbon, 0-0.001wt% hydrogen, surplus is titanium.
3. the alpha+beta titanium alloys according to claim 2 containing Fe, Cr, Zr alloying element, it is characterised in that the quality of its component
Percentage is：4.0wt% aluminium, 0.8wt% iron, 4.0wt% chromium, 1.5wt% zirconium, 0.04-0.05wt% oxygen, 0-
0.001wt% nitrogen, 0-0.001wt% carbon, 0-0.001wt% hydrogen, surplus is titanium.
4. a kind of sheet material preparation method of the alpha+beta titanium alloys containing Fe, Cr, Zr alloying element, it is characterised in that when by titanium sponge,
Fine aluminium, pure iron, pure chromium, when pure zirconium carries out dispensing, according to the mass percent of following raw material components, carry out raw material components material and claim
Amount：3.0-4.5wt% aluminium, 0.3-2.0wt% iron, 3.0-5.0wt% chromium, 1.0-2.0wt% zirconium, other raw materials are titanium,
Each raw material components material completed after dispensing is inserted in chamber type electric resistance furnace, in chamber type electric resistance furnace, to each raw material components material
Pre-processed, 10-12 h are incubated under 120-150 DEG C of pretreatment temperature, be then again placed in each raw material components material point
In flap-type water jacketed copper crucible, ingot casting is made 3-5 times in melt back, then gained ingot casting is heated into 830-870 DEG C, is rolled in cross-arranging type
On machine by ingot rolling into thickness be 6-8mm alpha+beta titanium alloys sheet material.
5. the sheet material preparation method of the alpha+beta titanium alloys according to claim 4 containing Fe, Cr, Zr alloying element, its feature exists
In：It is heat-treated after being rolled using the heat treatment mode of vacuum annealing to prepared alpha+beta titanium alloys sheet material, control annealing temperature
Spend for 580-600 DEG C, soaking time is 1.5-2.5 h, and the type of cooling is air cooling.
6. a kind of bar preparation method of the alpha+beta titanium alloys containing Fe, Cr, Zr alloying element, it is characterised in that when by titanium sponge,
Fine aluminium, pure iron, pure chromium, when pure zirconium carries out dispensing, according to the mass percent of following raw material components, carry out raw material components material and claim
Amount：3.0-4.5wt% aluminium, 0.3-2.0wt% iron, 3.0-5.0wt% chromium, 1.0-2.0wt% zirconium, other raw materials are titanium,
It will complete that electrode block is made using extrusion after each raw material components material after dispensing is mixed, then welded in vacuum plasma case
Vacuum electrode is connected into, ingot casting is then made by 3-5 vacuum self-consumption electrode arc melting, ingot casting is in 1050-1150 DEG C of temperature
Lower process cogging is forged into diameter of phi 40-50 mm rolling bar stock, and then bar stock is heated to 830-870 DEG C, in open-train mill
On be rolled into diameter of phi 18-20 mm alpha+beta titanium alloys bar.
7. the bar preparation method of the alpha+beta titanium alloys according to claim 6 containing Fe, Cr, Zr alloying element, its feature exists
In：It is heat-treated after being rolled using the heat treatment mode of vacuum annealing to prepared alpha+beta titanium alloys bar, control annealing temperature
Spend for 580-600 DEG C, soaking time is 1.5-2.5 h, and the type of cooling is air cooling.
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| CN109487120A (en) * | 2018-12-07 | 2019-03-19 | 中国石油天然气集团有限公司 | A kind of graphene enhances 1200MPa grades of titanium alloy drilling rod titanium alloys and its tubing manufacturing method |
| CN111278581A (en) * | 2017-10-26 | 2020-06-12 | 日本制铁株式会社 | Method for producing hot-rolled titanium plate |
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| CN101403058A (en) * | 2008-11-21 | 2009-04-08 | 北京正安广泰新材料科技有限公司 | Low cost alpha and beta type titan alloy |
| CN104073684A (en) * | 2014-03-31 | 2014-10-01 | 上海大学 | Titanium alloy containing Cr and Mn elements and preparation method thereof |
| CN104372203A (en) * | 2014-11-26 | 2015-02-25 | 上海大学 | Novel alpha titanium alloy and preparation method of panel and bar of alpha titanium alloy |
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| CN111278581A (en) * | 2017-10-26 | 2020-06-12 | 日本制铁株式会社 | Method for producing hot-rolled titanium plate |
| CN111278581B (en) * | 2017-10-26 | 2021-10-01 | 日本制铁株式会社 | Method for producing hot-rolled titanium plate |
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