CN104388803A - Elastic alloy material - Google Patents
Elastic alloy material Download PDFInfo
- Publication number
- CN104388803A CN104388803A CN201410543486.3A CN201410543486A CN104388803A CN 104388803 A CN104388803 A CN 104388803A CN 201410543486 A CN201410543486 A CN 201410543486A CN 104388803 A CN104388803 A CN 104388803A
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- CN
- China
- Prior art keywords
- alloy material
- alloy
- elastic
- nickel
- cobalt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
-
- 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
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
Abstract
The invention relates to an elastic alloy material. The elastic alloy material comprises 45-55at% of nickel, 0-10at% of iron, 25-35at% of titanium, 5-15at% of cobalt, 5-15at% of gallium, 1-3at% of copper, 3-5at% of tungsten and 1-3at% of nitrogen. The alloy material obtained through the above technical scheme has narrow hysteresis hyper elasticity and has a shape memory maintaining effect.
Description
Technical field
The invention belongs to functional technical field of alloy material, refer to a kind of elastic alloy material especially.
Background technology
Superelastic alloy is widely used in the fields such as aviation, machinery, precision instrument and medical treatment because it has higher recovered elastic deformation.The superelastic alloy the most often used is at present Ti-Ni alloy, thermo-elastic martensite is there is in Ti-Ni alloy, its transformation temperature changes within the specific limits with alloy ingredient difference, because nickel titante series alloy not only has peculiar shape memory effect, also there is good super-elasticity behavior, but its super-elasticity behavior belongs to the super-elasticity behavior of wide transformation hysteresis, and therefore in-fighting is high.
Adopt cobalt Substitute For Partial nickel in China patent publication No. CN102337424 and form a kind of nickel ferro-cobalt gallium alloy material, thinking and can obtain good super-elasticity behavior by the martensitic transformation temperature that can change and control alloy material.By analyzing the alloy of this technical scheme, the elastic performance of this alloy is better than common Ti-Ni alloy really, martensite also corresponding minimizing is a lot, but this alloy also has certain defect, although Here it is, there is super-elasticity, but greatly reduce for the shape memory effect of former Ti-Ni alloy, even in some component, shape memory effect is zero.Therefore need to develop a kind of alloy material that not only there is narrow delayed elastic performance but also shape memory effect can be kept.
Summary of the invention
The object of the invention is by providing a kind of technical scheme, the alloy material of this technical scheme not only has the alloy material that narrow Delayed elastic can keep again shape memory effect.
The present invention is achieved by the following technical solutions:
A kind of elastic alloy material, each composition of described alloy material is nickel 45-55at% by atomic percentage conc, iron 0-10at%, titanium 25-35at%, cobalt 5-15at%, gallium 5-15%, copper 1-3at%, tungsten 3-5at% and nitrogen 1-3at%.
The invention has the beneficial effects as follows:
1, the alloy material of the technical program not only has the alloy material that narrow delayed elastic performance can keep again shape memory effect.
2, the technical program refers at least twice melting by described melt back, and except last melting, to heat up again after 15-30 DEG C/min of cooling 200-300 DEG C after each melting, make to organize interior crystal arrangement even, coefficient of elasticity difference is little, improves the even of the coefficient of elasticity of elastic alloy.
Embodiment
Below by way of embodiment, technical scheme of the present invention is described in detail.
A kind of elastic alloy material, each composition of described alloy material is nickel 45-55at% by atomic percentage conc, iron 0-10at%, titanium 25-35at%, cobalt 5-15at%, gallium 5-15%, copper 1-3at%, tungsten 3-5at% and nitrogen 1-3at%.
Preparation method is, specifically comprises the following steps:
1), the nickel of purity >=99.9%, cobalt, iron is chosen, titanium, gallium, copper, tungsten and nitrogen, prepare burden above-mentioned materials according to atomic percentage conc, and described batching is, each composition is nickel 45-55at% by atomic percentage conc, iron 0-10at%, titanium 25-35at%, cobalt 5-15at%, gallium 5-15%, copper 1-3at%, tungsten 3-5at% and nitrogen 1-3at%.
Then put into smelting furnace and be evacuated to 2.0 × 10
-4pa, then be filled with argon gas, after melt back; Described melt back refers at least twice melting, and except last melting, to heat up again after 15-30 DEG C/min of cooling 200-300 DEG C after each melting; Inhale casting by mold cools down and obtain alloy blank
2), by 1) in obtain alloy blank sealing, be evacuated to 5.0 × 10
-5pa, is incubated 72 hours, is then cooled to room temperature and obtains Super elastic alloy material at 1000 DEG C; Described cooling to be at the uniform velocity cooled to master, rate of cooling remain on 2.5-5 DEG C every 15 minutes, this rate of cooling will remain to after slab temperature drops to 450-500 DEG C, then naturally cools to normal temperature.
What described smelting furnace adopted is non-consumable vacuum arc melting furnace.
The result done like this is can keep crystalline structure in alloy even, and the particle respectively formed in unit volume is roughly the same, reduces the in-fighting of energy.
In following embodiment, difference part is only at the composition of elastic alloy, and preparation method is identical, therefore, below in an example, the composition of each elastic alloy is only described, preparation method is repeat specification no longer.
Embodiment 1
A kind of elastic alloy material, each composition of described alloy material is nickel 45at% by atomic percentage conc, iron 5at%, titanium 25at%, cobalt 5at%, gallium 15%, copper 1at%, tungsten 3at% and nitrogen 1at%.
Embodiment 2
A kind of elastic alloy material, each composition of described alloy material is nickel 46at% by atomic percentage conc, iron 5at%, titanium 25at%, cobalt 8at%, gallium 5%, copper 3at%, tungsten 5at% and nitrogen 3at%.
Embodiment 3
A kind of elastic alloy material, each composition of described alloy material is nickel 45at% by atomic percentage conc, iron 5at%, titanium 26at%, cobalt 10at%, gallium 6%, copper 2at%, tungsten 4at% and nitrogen 2at%.
The present invention includes but be not limited to the present embodiment, every equivalent replacement of carrying out under rule of the present invention or local improvement all should be considered as protection scope of the present invention.
Claims (1)
1. an elastic alloy material, is characterized in that: each composition of described alloy material is nickel 45-55at% by atomic percentage conc, iron 0-10at%, titanium 25-35at%, cobalt 5-15at%, gallium 5-15%, copper 1-3at%, tungsten 3-5at% and nitrogen 1-3at%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410543486.3A CN104388803A (en) | 2014-10-14 | 2014-10-14 | Elastic alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410543486.3A CN104388803A (en) | 2014-10-14 | 2014-10-14 | Elastic alloy material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104388803A true CN104388803A (en) | 2015-03-04 |
Family
ID=52606759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410543486.3A Pending CN104388803A (en) | 2014-10-14 | 2014-10-14 | Elastic alloy material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104388803A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0238547A (en) * | 1988-07-27 | 1990-02-07 | Hitachi Metals Ltd | Manufacture of ti-ni shape memory alloy |
| US5044947A (en) * | 1990-06-29 | 1991-09-03 | Ormco Corporation | Orthodontic archwire and method of moving teeth |
| CN102851543A (en) * | 2012-09-14 | 2013-01-02 | 虞海香 | Hyperelastic memory alloy |
| CN102864360A (en) * | 2012-09-14 | 2013-01-09 | 虞海盈 | Super elastic alloy material and preparation method thereof |
| CN102864339A (en) * | 2012-09-05 | 2013-01-09 | 忻峰 | Elastic alloy material and preparation method thereof |
-
2014
- 2014-10-14 CN CN201410543486.3A patent/CN104388803A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0238547A (en) * | 1988-07-27 | 1990-02-07 | Hitachi Metals Ltd | Manufacture of ti-ni shape memory alloy |
| US5044947A (en) * | 1990-06-29 | 1991-09-03 | Ormco Corporation | Orthodontic archwire and method of moving teeth |
| CN102864339A (en) * | 2012-09-05 | 2013-01-09 | 忻峰 | Elastic alloy material and preparation method thereof |
| CN102851543A (en) * | 2012-09-14 | 2013-01-02 | 虞海香 | Hyperelastic memory alloy |
| CN102864360A (en) * | 2012-09-14 | 2013-01-09 | 虞海盈 | Super elastic alloy material and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 尹燕等: "三元Ni-Ti基形状记忆合金的研究现状", 《材料导报》 * |
| 戴起勋等: "《金属材料学》", 31 January 2012, 化学工业出版社 * |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150304 |