CN107475566A - A kind of high-temperature titanium alloy and preparation method thereof - Google Patents
A kind of high-temperature titanium alloy and preparation method thereof Download PDFInfo
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- CN107475566A CN107475566A CN201710942726.0A CN201710942726A CN107475566A CN 107475566 A CN107475566 A CN 107475566A CN 201710942726 A CN201710942726 A CN 201710942726A CN 107475566 A CN107475566 A CN 107475566A
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- Prior art keywords
- temperature
- titanium alloy
- preparation
- temperature titanium
- vacuum
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- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 18
- 239000000956 alloy Substances 0.000 claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 15
- 239000010936 titanium Substances 0.000 claims abstract description 14
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 13
- 229910052718 tin Inorganic materials 0.000 claims abstract description 13
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 10
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 10
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 19
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 11
- 229910052786 argon Inorganic materials 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- ZNKMCMOJCDFGFT-UHFFFAOYSA-N gold titanium Chemical compound [Ti].[Au] ZNKMCMOJCDFGFT-UHFFFAOYSA-N 0.000 claims 1
- 229910001258 titanium gold Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 7
- 238000009413 insulation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910017305 Mo—Si Inorganic materials 0.000 description 1
- 229910052774 Proactinium Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
Classifications
-
- 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
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of high-temperature titanium alloy and preparation method thereof, there is provided a kind of for a long time in high-temperature titanium alloy of DEG C temperatures above work of hot environment, especially 600 and preparation method thereof, its alloy is according to percentage by weight Zr：4.5% 5.5%, Al：4% 5%, Sn：1% 1.5%, Si：0.5% 0.6%, Nb：1% 1.5%, Ni：2% 3%, V：0.5% 0.8%, surplus is Ti compositions.With the advantages of intensity is high, heat endurance is good, the high-temperature titanium alloy part of aero-engine is can be widely applied to, such as blade, compressor disc.
Description
Technical field
The invention belongs to metal material processing technical field, is related to a kind of high-temperature titanium alloy and preparation method thereof.
Background technology
High-temperature titanium alloy has excellent heat resistance, low density and good corrosion resistance, is used for power, petrochemical industry, fortune
Defeated, the particularly industrial circle such as aviation and space flight, is used for manufacturing pneumatic tray, the casing of aero-engine more in aerospace field
Deng.At present, structural metallic materials more than 600 DEG C usually Ni-based, iron-based and cobalt base superalloy are applied, is entirely almost
The high equivalent thickness of aluminium alloy of the nearly α types of Ti-Al-Zr-Sn-Mo-Si systems.
Strength and stability is the principal element for influenceing high-temperature titanium alloy development.Many high-temperature titanium alloys by increase Al,
Sn, Zr content can effectively improve the intensity of alloy, but rear heat endurance has different degrees of decline by long-term use.It is former
Because being that more Al and Sn are added in alloy, it can cause to separate out substantial amounts of Ti3X (X=Al, Sn) brittlement phase, make alloy thermostabilization
Property decline.Heat endurance characterizes the ability that material keeps plasticity and toughness under high temperature long duration of action, is high-temperature titanium alloy
An important mechanical performance index.For ensureing that the high temperature long-term use reliability of high-temperature titanium alloy part has important meaning
Justice.Therefore, the temperature in use of high-temperature titanium alloy is further improved, and make its combination property obtain matched well to turn into the weight of research
Point.
The content of the invention
It is an object of the invention to provide a kind of high-temperature titanium alloy and preparation method thereof, solves existing high-temperature titanium alloy intensity
Not enough, the problem of heat endurance difference.
The technical solution adopted in the present invention is a kind of high-temperature titanium alloy and preparation method thereof, specifically according to following steps
Implement：
Step 1, according to mass percent Zr：4.5%-5.5%, Al：7%-9%, Sn：1%-1.5%, Si：0.5%-
0.6%, Nb：1%-1.5%, Ni：2%-3%, V：0.5%-0.8%, surplus are that Ti weighs each component；
Step 2, the raw material weighed is put into consumable vacuum arc furnace ignition, is evacuated to 5 × 10-3More than Pa, Ran Houchong
Enter high-purity argon gas to 1.01 × 105Pa, be then smelted into high temperature alloy ingot at 3100 DEG C -3300 DEG C；
Step 3, high temperature alloy ingot obtained above is put into vacuum heat treatment furnace be heat-treated, in vacuum 5
×10-3Pa-6×10-3Pa, after being incubated 12-24 hours at 950 DEG C -1000 DEG C of heat treatment temperature, furnace cooling, that is, obtain high temperature
Titanium alloy.
The features of the present invention also resides in：
Ti in raw material is pure titanium；
Al in raw material is fine aluminium；
Ni in raw material is pure nickel.
The invention has the advantages that by improving the ratio of aluminium in the feed, the high-temperature mechanics of high-temperature titanium alloy are improved
Performance.Metallic nickel has good plasticity and corrosion resistance, and by adding pure nickel in the feed, the heat for improving high-temperature titanium alloy is steady
It is qualitative.
Embodiment
With reference to embodiment, the present invention is described in detail.
A kind of high-temperature titanium alloy of the present invention and preparation method thereof, specifically implements according to following steps：
Step 1, according to mass percent Zr：4.5%-5.5%, Al：7%-9%, Sn：1%-1.5%, Si：0.5%-
0.6%, Nb：1%-1.5%, Ni：2%-3%, V：0.5%-0.8%, surplus are that Ti weighs each component；
Step 2, the raw material weighed is put into consumable vacuum arc furnace ignition, is evacuated to 5 × 10-3More than Pa, Ran Houchong
Enter high-purity argon gas to 1.01 × 105Pa, be then smelted into high temperature alloy ingot at 3100 DEG C -3300 DEG C；
Step 3, high temperature alloy ingot obtained above is put into vacuum heat treatment furnace be heat-treated, in vacuum 5
×10-3Pa-6×10-3Pa, after being incubated 12-24 hours at 950 DEG C -1000 DEG C of heat treatment temperature, furnace cooling, that is, obtain high temperature
Titanium alloy.
Embodiment 1
By following mass fractions：Zr：4.5%, Al：7%, Sn：1%, Si：0.5%, Nb：1%, Ni：2%, V：0.5%,
Ti：83.5% carries out dispensing.The raw material weighed is put into consumable vacuum arc furnace ignition, is evacuated to 5 × 10-3More than Pa, so
After be filled with high-purity argon gas to 1.01 × 105Pa, be then smelted into high temperature alloy ingot at 3100 DEG C；High temperature obtained above is closed
Ingot material, which is put into vacuum heat treatment furnace, to be heat-treated, in vacuum 5 × 10-3Pa, insulation 12 is small at 950 DEG C of heat treatment temperature
Shi Hou, furnace cooling, that is, obtain high-temperature titanium alloy.
Embodiment 2
By following mass fractions：Zr：4.7%, Al：8%, Sn：1.2%, Si：0.5%, Nb：1.2%, Ni：2.5%, V：
0.6%, Ti：81.3% carries out dispensing.The raw material weighed is put into consumable vacuum arc furnace ignition, is evacuated to 5 × 10-3Pa with
On, high-purity argon gas is then charged with to 1.01 × 105Pa, is then smelted into high temperature alloy ingot at 3150 DEG C；Will be obtained above
High temperature alloy ingot, which is put into vacuum heat treatment furnace, to be heat-treated, in vacuum 5.2 × 10-3Pa, at 980 DEG C of heat treatment temperature
After insulation 12 hours, furnace cooling, that is, high-temperature titanium alloy is obtained.
Embodiment 3
By following mass fractions：Zr：5.0%, Al：9%, Sn：1.5%, Si：0.6%, Nb：1.5%, Ni：3%, V：
0.7%, Ti：78.7% carries out dispensing.The raw material weighed is put into consumable vacuum arc furnace ignition, is evacuated to 5 × 10-3Pa with
On, high-purity argon gas is then charged with to 1.01 × 105Pa, is then smelted into high temperature alloy ingot at 3200 DEG C；Will be obtained above
High temperature alloy ingot, which is put into vacuum heat treatment furnace, to be heat-treated, in vacuum 5.5 × 10-3Pa, 1000 DEG C of heat treatment temperature
After lower insulation 18 hours, furnace cooling, that is, high-temperature titanium alloy is obtained.
Embodiment 4
By following mass fractions：Zr：5.2%, Al：9%, Sn：1.5%, Si：0.6%, Nb：1.5%, Ni：3%, V：
0.7%, Ti：78.5% carries out dispensing.The raw material weighed is put into consumable vacuum arc furnace ignition, is evacuated to 5 × 10-3Pa with
On, high-purity argon gas is then charged with to 1.01 × 105Pa, is then smelted into high temperature alloy ingot at 3250 DEG C；Will be obtained above
High temperature alloy ingot, which is put into vacuum heat treatment furnace, to be heat-treated, in vacuum 6 × 10-3Pa, protect at 970 DEG C of heat treatment temperature
Temperature furnace cooling, that is, obtains high-temperature titanium alloy after 24 hours.
Embodiment 5
By following mass fractions：Zr：5.5%, Al：7%, Sn：1%, Si：0.5%, Nb：1%, Ni：2%, V：0.5%,
Ti：82.5% carries out dispensing.The raw material weighed is put into consumable vacuum arc furnace ignition, is evacuated to 5 × 10-3More than Pa, so
After be filled with high-purity argon gas to 1.01 × 105Pa, be then smelted into high temperature alloy ingot at 3300 DEG C；High temperature obtained above is closed
Ingot material, which is put into vacuum heat treatment furnace, to be heat-treated, in vacuum 6 × 10-3Pa, insulation 24 is small at 960 DEG C of heat treatment temperature
Shi Hou, furnace cooling, that is, obtain high-temperature titanium alloy.
Claims (5)
1. a kind of preparation method of high-temperature titanium alloy, it is characterised in that be made up of Ti, Zr, Al, Sn, Si, Nb, Ni, V, weight hundred
It is Zr to divide ratio：4.5%-5.5%, Al：7%-9%, Sn：1%-1.5%, Si：0.5%-0.6%, Nb：1%-1.5%, Ni：
2%-3%, V：0.5%-0.8%, surplus Ti.
2. the preparation method of a kind of high-temperature titanium alloy according to claim 1, it is characterised in that the Ti is pure titanium.
3. the preparation method of a kind of high-temperature titanium alloy according to claim 1, it is characterised in that the Al is fine aluminium.
4. the preparation method of a kind of high-temperature titanium alloy according to claim 1, it is characterised in that the Ni is pure nickel.
5. the preparation method of a kind of high-temperature titanium alloy according to claim 1, it is characterised in that implement through the following steps：
Step 1, according to mass percent weigh each component；
Step 2, the raw material weighed is put into consumable vacuum arc furnace ignition, is evacuated to 5 × 10-3More than Pa, it is then charged with height
Then pure argon is smelted into high temperature alloy ingot to 1.01 × 105Pa at 3100 DEG C -3300 DEG C；
Step 3, high temperature alloy ingot obtained above is put into vacuum heat treatment furnace be heat-treated, in vacuum 5 × 10- 3Pa-6×10-3Pa, after being incubated 12-24 hours at 950 DEG C -1000 DEG C of heat treatment temperature, furnace cooling, that is, obtain the conjunction of high temperature titanium
Gold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710942726.0A CN107475566A (en) | 2017-10-11 | 2017-10-11 | A kind of high-temperature titanium alloy and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710942726.0A CN107475566A (en) | 2017-10-11 | 2017-10-11 | A kind of high-temperature titanium alloy and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107475566A true CN107475566A (en) | 2017-12-15 |
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| CN201710942726.0A Pending CN107475566A (en) | 2017-10-11 | 2017-10-11 | A kind of high-temperature titanium alloy and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112251635A (en) * | 2020-09-29 | 2021-01-22 | 中国科学院金属研究所 | High-thermal-stability equiaxial nanocrystalline Ti6Al4V-Ni alloy and preparation method thereof |
| CN112342435A (en) * | 2020-09-29 | 2021-02-09 | 中国科学院金属研究所 | High-thermal-stability equiaxial nanocrystalline Ti-Zr-Ni alloy and preparation method thereof |
| CN112680630A (en) * | 2020-12-04 | 2021-04-20 | 中国航发北京航空材料研究院 | Vacuum heat treatment method for ultra-high-toughness, medium-strength and high-plasticity TC32 titanium alloy part |
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|---|---|---|---|---|
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| CN101104898A (en) * | 2007-06-19 | 2008-01-16 | 中国科学院金属研究所 | A high-temperature titanium alloy with high thermal strength and high thermal stability |
| CN101328551A (en) * | 2007-06-19 | 2008-12-24 | 中国科学院金属研究所 | A titanium alloy material that does not rub against sparks |
| CN102978437A (en) * | 2012-11-23 | 2013-03-20 | 西部金属材料股份有限公司 | Alpha plus beta two-phase titanium alloy and method for processing same |
| CN104745872A (en) * | 2015-04-22 | 2015-07-01 | 哈尔滨工业大学 | High-temperature titanium alloy applicable to use at temperature of 650 DEG C and preparation method thereof |
| US20150192031A1 (en) * | 2012-07-19 | 2015-07-09 | Rti International Metals, Inc. | Titanium alloy having good oxidation resistance and high strength at elevated temperatures |
| CN105838922A (en) * | 2016-05-25 | 2016-08-10 | 西部超导材料科技股份有限公司 | Heat strong titanium alloy ingot for aviation and manufacturing method for heat strong titanium alloy |
| CN107058800A (en) * | 2017-03-02 | 2017-08-18 | 中国船舶重工集团公司第七二五研究所 | A kind of anti-corrosion solderable crack arrest titanium alloy of middle intensity and preparation method thereof |
-
2017
- 2017-10-11 CN CN201710942726.0A patent/CN107475566A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1356734A (en) * | 1971-07-01 | 1974-06-12 | Gen Electric | Alpha-beta type titanium base alloys |
| CN101104898A (en) * | 2007-06-19 | 2008-01-16 | 中国科学院金属研究所 | A high-temperature titanium alloy with high thermal strength and high thermal stability |
| CN101328551A (en) * | 2007-06-19 | 2008-12-24 | 中国科学院金属研究所 | A titanium alloy material that does not rub against sparks |
| US20150192031A1 (en) * | 2012-07-19 | 2015-07-09 | Rti International Metals, Inc. | Titanium alloy having good oxidation resistance and high strength at elevated temperatures |
| CN102978437A (en) * | 2012-11-23 | 2013-03-20 | 西部金属材料股份有限公司 | Alpha plus beta two-phase titanium alloy and method for processing same |
| CN104745872A (en) * | 2015-04-22 | 2015-07-01 | 哈尔滨工业大学 | High-temperature titanium alloy applicable to use at temperature of 650 DEG C and preparation method thereof |
| CN105838922A (en) * | 2016-05-25 | 2016-08-10 | 西部超导材料科技股份有限公司 | Heat strong titanium alloy ingot for aviation and manufacturing method for heat strong titanium alloy |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112251635A (en) * | 2020-09-29 | 2021-01-22 | 中国科学院金属研究所 | High-thermal-stability equiaxial nanocrystalline Ti6Al4V-Ni alloy and preparation method thereof |
| CN112342435A (en) * | 2020-09-29 | 2021-02-09 | 中国科学院金属研究所 | High-thermal-stability equiaxial nanocrystalline Ti-Zr-Ni alloy and preparation method thereof |
| CN112342435B (en) * | 2020-09-29 | 2021-12-21 | 中国科学院金属研究所 | A kind of high thermal stability equiaxed nanocrystalline Ti-Zr-Ni alloy and preparation method thereof |
| CN112251635B (en) * | 2020-09-29 | 2022-05-10 | 中国科学院金属研究所 | High-thermal-stability equiaxed nanocrystalline Ti6Al4V-Ni alloy and preparation method thereof |
| CN112680630A (en) * | 2020-12-04 | 2021-04-20 | 中国航发北京航空材料研究院 | Vacuum heat treatment method for ultra-high-toughness, medium-strength and high-plasticity TC32 titanium alloy part |
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