CN1644733A - High temperature titanium nickle aluminium alloy materials - Google Patents
High temperature titanium nickle aluminium alloy materials Download PDFInfo
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- CN1644733A CN1644733A CN 200510053911 CN200510053911A CN1644733A CN 1644733 A CN1644733 A CN 1644733A CN 200510053911 CN200510053911 CN 200510053911 CN 200510053911 A CN200510053911 A CN 200510053911A CN 1644733 A CN1644733 A CN 1644733A
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- high temperature
- alloy materials
- aluminium alloy
- nickle
- titanium
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Abstract
The invention opened an alloy material of TiNiAl which includes 50at%-60at% Ti, 35at%-50at% Ni and 1at%-15at% Al. The yield strength of the alloy is 1100 Mpa-1500MPa at 18 deg.C and 1200MPa-200MPa in 600deg.C-800deg.C, the rate of deformation is above 9% and 25% respectively. The oxidation resistance is: The weight improve 0.001mg/cm2-8.00mg/cm2 in 600deg.C-800deg.C static air for 100 hours. The density of the alloy is 5.20-6.30 g/cm3.
Description
Technical field
The present invention relates to a kind of high temperature titanium nickle aluminium alloy materials, by in the Ti-Ni alloy matrix, adding a kind of novel high-temperature alloy material that aluminium element improves the room temperature and the mechanical behavior under high temperature of Ti-Ni alloy.
Background technology
At present, at power, petrochemical industry, transportation, particularly industrial circle such as aviation and space flight, be applied in structural metallic materials more than 600 ℃ and be generally Ni-based, iron-based and cobalt base superalloy.These materials have higher density (generally at 8.0g/cm
3More than), made member and weight of equipment are big, in order to alleviate structural weight, raise the efficiency, and reduce energy consumption, must develop the strong novel high-temperature alloy of low density, height ratio to adapt to the needs of related industries field future development.
The binary TiNi alloy is a kind of have good mechanical property, good solidity to corrosion and intermetallic compound of biocompatibility, is widely used in fields such as medical science, industry and lives as the shape memory alloy functional materials.The density of this alloy is 6.3g/cm
3, than Ni-based, iron-based and cobalt base superalloy low about 20%.
On TiNi alloy basis, usually improve alloy at room temperature yield strength and mechanical behavior under high temperature by adding high purity Al unit, develop novel low density, the alternative conventional high-temperature alloy of high specific strength superalloy, can alleviate structural weight, raise the efficiency, reduce energy consumption.
Summary of the invention
The objective of the invention is to propose a kind of low density, high specific strength TiNiAl high temperature alloy, this TiNiAl superalloy uses at high temperature as structured material, can substitute that traditional high-density is Ni-based, iron-based and cobalt base superalloy material, can alleviate structural weight, raise the efficiency, reduce energy consumption.
A kind of high temperature titanium nickle aluminium alloy materials of the present invention be made up of the titanium (Ti) of 50at%～60at%, the nickel (Ni) of 35at%～50at% and the aluminium (Al) of 1at%～15at%, and the content sum of above-mentioned each composition is 100%.
Described high temperature titanium nickle aluminium alloy materials also can be made up of the titanium (Ti) of 50at%～55at%, the nickel (Ni) of 40at%～50at% and the aluminium (Al) of 4at%～10at%, and the content sum of above-mentioned each composition is 100%.
Described high temperature titanium nickle aluminium alloy materials, its component are Ti
50Ni
41Al
9Perhaps Ti
52Ni
42Al
6
Described high temperature titanium nickle aluminium alloy materials is 1100MPa～1500MPa in 18 ℃ of yield strengths of temperature, and deformation rate is greater than 9%; In 600 ℃～800 ℃ yield strengths of high temperature is 1200MPa～200MPa, and deformation rate is greater than 25%; High temperature oxidation resistance is 100 hours oxidation weight gain 0.01mg/cm in 600 ℃～800 ℃ still airs
2～8.00mg/cm
2This high temperature titanium nickle aluminium alloy materials density is 5.20～6.30g/cm
3
The preparation method of a kind of high temperature titanium nickle aluminium alloy materials of the present invention comprises the following steps:
(1) taking by weighing purity by proportioning is that 99.9% titanium (Ti), purity are that 99.9% nickel (Ni) and purity are 99.9% aluminium (Al);
(2) the above-mentioned titanium that takes by weighing, nickel, aluminum feedstock are put into non-consumable arc furnace, be evacuated to 2 * 10
-3Pa～5 * 10
-3Pa charges into high-purity argon gas to 1.01 * 10
5Pa is smelted into TiNiAl superalloy ingot at 1700 ℃～2000 ℃ then;
(3) the above-mentioned TiNiAl superalloy ingot that makes is put into vacuum heat treatment furnace and heat-treat, in vacuum tightness 2 * 10
-3Pa～5 * 10
-3Pa, 850 ℃～900 ℃ insulation is after 12～24 hours down for thermal treatment temp, and furnace cooling promptly obtains Ti
50～60Ni
35～50Al
1～15High temperature alloy.
The advantage of TiNiAl high temperature alloy of the present invention: on TiNi alloy basis, usually improve alloy at room temperature yield strength and mechanical behavior under high temperature by adding high purity Al unit, this class alloy density is 5.20～6.30g/cm
3, the room temperature yield strength is 1100MPa～1500MPa, deformation rate has good mechanical performance and high temperature oxidation resistance greater than 9% between 600 ℃～800 ℃, have low density, high-intensity advantage.
Description of drawings
Fig. 1 is Ti
50Ni
41Al
9Cylinder sample is at 18 ℃, 600 ℃, 650 ℃, 700 ℃ and 800 ℃ of temperatures test-results graphic representation that contracts.
Embodiment
The present invention is described in further detail below in conjunction with embodiment.
The present invention is a kind of high temperature titanium nickle aluminium alloy materials, be made up of the titanium (Ti) of 50at%～60at%, the nickel (Ni) of 35at%～50at% and the aluminium (Al) of 1at%～15at%, and the content sum of above-mentioned each composition is 100%.
High temperature titanium nickle aluminium alloy materials of the present invention also can be made up of the titanium (Ti) of 50at%～55at%, the nickel (Ni) of 40at%～50at% and the aluminium (Al) of 4at%～10at%, and the content sum of above-mentioned each composition is 100%.
The preparation method and the step of high temperature titanium nickle aluminium alloy materials of the present invention are as follows:
(1) taking by weighing purity by proportioning is that 99.9% titanium, purity are that 99.9% nickel and purity are 99.9% aluminium;
(2) above-mentioned titanium, nickel and aluminum feedstock are put into non-consumable arc furnace, be evacuated to 2 * 10
-3Pa～5 * 10
-3Pa charges into high-purity argon gas to 1.01 * 10
5Pa is smelted into TiNiAl superalloy ingot at 1700 ℃～2000 ℃ then;
(3) the above-mentioned TiNiAl superalloy ingot that makes is put into vacuum heat treatment furnace and heat-treat, in vacuum tightness 2 * 10
-3Pa～5 * 10
-3Pa, the insulation after 12～24 hours down of 850 ℃～900 ℃ of thermal treatment temps, furnace cooling promptly obtains the high temperature titanium nickle aluminium alloy materials of requirement of the present invention.
Adopt wire cutting method, in the above-mentioned high temperature titanium nickle aluminium alloy materials that makes, cut diameter d=6mm, the right cylinder of height h=9mm is as the Mechanics Performance Testing sample, adopt MTS-880 type universal material experimental machine to carry out compression pressure-strain testing, compressive strain speed is 0.02mm/min, and temperature range is a chosen temperature point between the room temperature (18 ℃)～800 ℃.Adopt wire cutting method to cut long L=10mm, wide W=5mm, the rectangular parallelepiped sample of high H=5mm is as density and high temperature oxidation resistance specimen, the mass M of measure sample
1, using formula: ρ=M
1(L * W * H) calculates alloy density ρ to ÷; Selected temperature point between 600 ℃～800 ℃, place the still air of this temperature to keep 100 hours the sample after, the mass M of measure sample
2, using formula: X=(M
2-M
1) (L * W+H * L+W * H) calculates the per surface area oxidation weight gain X of alloy to ÷ 2, and adopting tolerance range is 10
-4The quality of the electronic balance measure sample of g, using tolerance range is 10
-2The size of the vernier caliper measurement sample of mm.The performance perameter of high temperature titanium nickle aluminium alloy materials is as shown in the table:
| Probe temperature ℃ | Yield strength MPa | Deformation rate % | Oxidation weight gain mg/cm 2 | Density (ρ) g/cm 3 |
| ?18 | ?1100～1500 | ?9～20 | ????- | ??5.20～6.30 |
| ?600 | ?800～1200 | ?30～40 | ????0.01～0.02 | |
| ?650 | ?600～1050 | ?28～35 | ????0.01～0.02 | |
| ?700 | ?400～600 | ?25～35 | ????0.90～1.90 | |
| ?800 | ?200～400 | ?25～35 | ????4.00～8.00 |
Ti of the present invention
50～60Ni
35～50Al
1～15High temperature alloy is littler than the density of binary TiNi alloy material, and its yield strength, deformation rate, oxidation-resistance property are strong, have alleviated structural weight effectively, have improved efficient, have reduced energy consumption, have expanded the use range of TiNi base alloy material.
Embodiment 1: system Ti
50Ni
41Al
9Alloy material
(1) taking by weighing 50at% purity is that 99.9% titanium, 41at% purity are that 99.9% nickel and 9at% purity are 99.9% aluminium;
(2) above-mentioned titanium, nickel and aluminium block shape raw material are put into non-consumable arc furnace, be evacuated to 5 * 10
-3Pa charges into high-purity argon gas to 1.01 * 10
5Pa is being smelted into TiNiAl superalloy ingot then more than 1800 ℃;
(3) vacuum heat treatment furnace that the above-mentioned TiNiAl superalloy ingot that makes is put into is heat-treated, in vacuum tightness 5 * 10
-3Pa, the insulation after 12 hours down of 900 ℃ of thermal treatment temps, furnace cooling promptly obtains the Ti of requirement of the present invention
50Ni
41Al
9High temperature alloy.
Adopt wire cutting method, at the above-mentioned Ti that makes
50Ni
41Al
9Cut diameter d=6mm in the alloy material, the right cylinder of height h=9mm is as the Mechanics Performance Testing sample, adopt MTS-880 type universal material experimental machine to carry out compression pressure-strain testing, compressive strain speed is 0.02mm/min, under 600 ℃, record yield strength and deformation rate and be respectively 1150MPa and 37%, under 650 ℃, record yield strength and deformation rate and be respectively 1050MPa and 31%.Adopt wire cutting method to cut long L=10mm, wide W=5mm, the rectangular parallelepiped sample of high H=5mm is as density and high temperature oxidation resistance specimen, the mass M of measure sample
1=1.4152g calculates alloy density ρ=5.66g/cm
3After placing 600 ℃ still air to keep 100 hours the sample, the oxidation weight gain of measure sample is 0.01mg/cm
2After placing 650 ℃ still air to keep 100 hours the sample, the oxidation weight gain of measure sample is 0.01mg/cm
2Situation under other condition of different temperatures sees also shown in Figure 1.Ti shown in the figure
50Ni
41Al
9The compression testing result of high temperature alloy under 18 ℃, 600 ℃, 650 ℃, 700 ℃ and 800 ℃ of temperature.Ti of the present invention
50Ni
41Al
9The yield strength of high temperature alloy in the time of 800 ℃ is minimum, and yield strength is a preferable states between 600 ℃～800 ℃.
Embodiment 2: system Ti
52Ni
42Al
6Alloy material
(1) taking by weighing 52at% purity is that 99.9% titanium, 42at% purity are that 99.9% nickel and 6at% purity are 99.9% aluminium;
(2) above-mentioned titanium, nickel and aluminium block shape raw material are put into non-consumable arc furnace, be evacuated to 5 * 10
-3Pa charges into high-purity argon gas to 1.01 * 10
5Pa is smelted into TiNiAl superalloy ingot at 2000 ℃ then;
(3) vacuum heat treatment furnace that the above-mentioned TiNiAl superalloy ingot that makes is put into is heat-treated, in vacuum tightness 5 * 10
-3Pa, the insulation after 18 hours down of 900 ℃ of thermal treatment temps, furnace cooling promptly obtains the Ti of requirement of the present invention
52Ni
42Al
6High temperature alloy.
Adopt wire cutting method, at the above-mentioned Ti that makes
52Ni
42Al
6Cut diameter d=6mm in the high temperature alloy, the right cylinder of height h=9mm is as the Mechanics Performance Testing sample, adopt MTS-880 type universal material experimental machine to carry out compression pressure-strain testing, compressive strain speed is 0.02mm/min, under 650 ℃, record yield strength and deformation rate and be respectively 800MPa and 34%, under 700 ℃, record yield strength and deformation rate and be respectively 430MPa and 32%.Adopt wire cutting method to cut long L=10mm, wide W=5mm, the rectangular parallelepiped sample of high H=5mm is as density and high temperature oxidation resistance specimen, the mass M of measure sample
1=1.5260g calculates alloy density ρ=6.10g/cm
3After placing 650 ℃ still air to keep 100 hours the sample, the oxidation weight gain of measure sample is 0.01mg/cm
2After placing 700 ℃ still air to keep 100 hours the sample, the oxidation weight gain of measure sample is 0.92mg/cm
2
Claims (6)
1, a kind of high temperature titanium nickle aluminium alloy materials is characterized in that: be made up of the titanium (Ti) of 50at%～60at%, the nickel (Ni) of 35at%～50at% and the aluminium (Al) of 1at%～15at%, and the content sum of above-mentioned each composition is 100%.
2, high temperature titanium nickle aluminium alloy materials according to claim 1, it is characterized in that: form by the titanium (Ti) of 50at%～55at%, the nickel (Ni) of 40at%～50at% and the aluminium (Al) of 4at%～10at%, and the content sum of above-mentioned each composition is 100%.
3, high temperature titanium nickle aluminium alloy materials according to claim 1 and 2 is characterized in that: this high temperature titanium nickle aluminium alloy materials is Ti
50Ni
41Al
9
4, high temperature titanium nickle aluminium alloy materials according to claim 1 and 2 is characterized in that: this high temperature titanium nickle aluminium alloy materials is Ti
52Ni
42Al
6
5, high temperature titanium nickle aluminium alloy materials according to claim 1 and 2 is characterized in that: this high temperature titanium nickle aluminium alloy materials is 1100MPa～1500MPa 18 ℃ of yield strengths, and deformation rate is greater than 9%; In 600 ℃～800 ℃ yield strengths of high temperature is 1200MPa～200MPa, and deformation rate is greater than 25%; High temperature oxidation resistance is 100 hours oxidation weight gain 0.01mg/cm in 600 ℃～800 ℃ still airs
2～8.00mg/cm
2This high temperature titanium nickle aluminium alloy materials density is 5.20～6.30g/cm
3
6, a kind of preparation method of high temperature titanium nickle aluminium alloy materials is characterized in that comprising the following steps:
(1) taking by weighing purity by proportioning is that 99.9% titanium (Ti), purity are that 99.9% nickel (Ni) and purity are 99.9% aluminium (Al);
(2) the above-mentioned titanium that takes by weighing, nickel, aluminum feedstock are put into non-consumable arc furnace, be evacuated to 2 * 10
-3Pa～5 * 10
-3Pa charges into high-purity argon gas to 1.01 * 10
5Pa is smelted into TiNiAl superalloy ingot at 1700 ℃～2000 ℃ then;
(3) the above-mentioned TiNiAl superalloy ingot that makes is put into vacuum heat treatment furnace and heat-treat, in vacuum tightness 2 * 10
-3Pa～5 * 10
-3Pa, 850 ℃～900 ℃ insulation is after 12～24 hours down for thermal treatment temp, and furnace cooling promptly obtains Ti
50～60Ni
35～50Al
1～15High temperature alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100539111A CN1321204C (en) | 2005-03-14 | 2005-03-14 | High temperature titanium nickle aluminium alloy materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100539111A CN1321204C (en) | 2005-03-14 | 2005-03-14 | High temperature titanium nickle aluminium alloy materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1644733A true CN1644733A (en) | 2005-07-27 |
| CN1321204C CN1321204C (en) | 2007-06-13 |
Family
ID=34876701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100539111A Expired - Fee Related CN1321204C (en) | 2005-03-14 | 2005-03-14 | High temperature titanium nickle aluminium alloy materials |
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| Country | Link |
|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100460548C (en) * | 2007-09-30 | 2009-02-11 | 北京航空航天大学 | Titanium-nickel-aluminum-base high-temperature alloy material and preparation method thereof |
| CN101988166A (en) * | 2010-11-18 | 2011-03-23 | 哈尔滨工程大学 | TiNiAg memory alloy with antibacterial function and preparation method thereof |
| CN102925780A (en) * | 2012-11-21 | 2013-02-13 | 常熟市良益金属材料有限公司 | Titanium-nickel-aluminum alloy material and preparation technique thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5417688B2 (en) * | 1972-11-29 | 1979-07-02 | ||
| JPS5075917A (en) * | 1973-11-08 | 1975-06-21 | ||
| SU1527931A1 (en) * | 1988-03-22 | 1998-06-20 | Институт физики высоких давлений им.Л.Ф.Верещагина | Superhard composition material on the base of cubic boron nitride |
| JPH02182852A (en) * | 1989-01-10 | 1990-07-17 | Seiko Instr Inc | Isothermal forging die |
-
2005
- 2005-03-14 CN CNB2005100539111A patent/CN1321204C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100460548C (en) * | 2007-09-30 | 2009-02-11 | 北京航空航天大学 | Titanium-nickel-aluminum-base high-temperature alloy material and preparation method thereof |
| CN101988166A (en) * | 2010-11-18 | 2011-03-23 | 哈尔滨工程大学 | TiNiAg memory alloy with antibacterial function and preparation method thereof |
| CN102925780A (en) * | 2012-11-21 | 2013-02-13 | 常熟市良益金属材料有限公司 | Titanium-nickel-aluminum alloy material and preparation technique thereof |
| CN102925780B (en) * | 2012-11-21 | 2015-11-04 | 南京航空航天大学 | Titanium alumel material and preparation technology thereof |
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| Publication number | Publication date |
|---|---|
| CN1321204C (en) | 2007-06-13 |
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