CN101671803A - Ageing treatment method for controlling TiNi base memorial alloy phase transition temperature - Google Patents
Ageing treatment method for controlling TiNi base memorial alloy phase transition temperature Download PDFInfo
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- CN101671803A CN101671803A CN200910036259A CN200910036259A CN101671803A CN 101671803 A CN101671803 A CN 101671803A CN 200910036259 A CN200910036259 A CN 200910036259A CN 200910036259 A CN200910036259 A CN 200910036259A CN 101671803 A CN101671803 A CN 101671803A
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- ageing treatment
- memorial alloy
- phase transition
- transition temperature
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Abstract
The invention relates to an ageing treatment method for controlling TiNi base memorial alloy phase transition temperature, which is characterized by carrying out ageing treatment on the TiNi base memorial alloy, wherein the temperature of the ageing treatment is respectively 650 DEG C, 670 DEG C, 690 DEG C, 700 DEG C, 730 DEG C and 750 DEG C, and the ageing treatment time is 0.5-1.5h. Within the ageing treatment temperature range, when the ageing treatment temperature is 690 DEG C, and the ageing treatment time is 1h, the phase transition temperature and the original phase transition temperature of the TiNi base memorial alloy have a minimum difference.
Description
Technical field
The present invention relates to the shape memory alloy technical field, particularly a kind of aging treatment method of controlling the TiNi base memorial alloy phase transition temperature.
Background technology
The TiNi base memorial alloy can improve the shape memory effect and the super-elasticity of memorial alloy after by ageing treatment, but after the TiNi base memorial alloy ageing treatment a large amount of precipitates is arranged, the microtexture of alloy, transformation temperature, heat of phase transformation etc. are exerted an influence, wherein the transformation temperature to memorial alloy has the greatest impact, because can cause the transformation temperature of memorial alloy to change, this just causes TiNi base memorial alloy transformation temperature instability in application process, and the relation of therefore finding out ageing treatment and transformation temperature is most important.
The present invention is directed to this problem, develop a kind of aging treatment method of the TiNi of control base memorial alloy phase transition temperature.Through inquiry, not seeing has relevant patent to deliver.
Summary of the invention
The present invention relates to a kind of aging treatment method of the TiNi of control base memorial alloy phase transition temperature.It is characterized in that: the TiNi base memorial alloy is carried out ageing treatment, and aging temperature is respectively 650 ℃, 670 ℃, 690 ℃, 700 ℃, 730 ℃ and 750 ℃, and the ageing treatment time is 0.5-1.5 hour.
In the above-mentioned aging temperature scope, aging temperature is 690 ℃, and the ageing treatment time is 1 hour, and it is minimum that TiNi base memorial alloy phase transition temperature and original transformation temperature differ.
Description of drawings
The relation of Fig. 1 aging temp and transformation temperature As, Af
The relation of Fig. 2 aging temp and transformation temperature Ms, Mf
Embodiment
Comparative Examples:
When the TiNi base memorial alloy did not pass through ageing treatment, the original transformation temperature of TiNi base memorial alloy saw Table 1.
Embodiment 1:
Through 650 ℃ of ageing treatment, the TiNi base memorial alloy phase transition temperature descends, and differs increase with original transformation temperature, sees Table 1 with the TiNi base memorial alloy.
Embodiment 2:
Through 690 ℃ of ageing treatment, the bottom out of TiNi base memorial alloy phase transition temperature differs minimum with original transformation temperature, sees Table 1 with the TiNi base memorial alloy.
Embodiment 3:
Through 730 ℃ of ageing treatment, the TiNi base memorial alloy phase transition temperature begins again to descend, and differs increase with original transformation temperature, sees Table 1 with the TiNi base memorial alloy.
Table 1 is through the TiNi base memorial alloy phase transition temperature of different ageing treatment
Claims (2)
1, a kind of aging treatment method of controlling the TiNi base memorial alloy phase transition temperature.It is characterized in that: the TiNi base memorial alloy is carried out ageing treatment, and aging temperature is respectively 650 ℃, 670 ℃, 690 ℃, 700 ℃, 730 ℃ and 750 ℃, and the ageing treatment time is 0.5-1.5 hour.
2, according to claim 1, aging temperature is 690 ℃, and the ageing treatment time is 1 hour, and it is minimum that TiNi base memorial alloy phase transition temperature and original transformation temperature differ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910036259A CN101671803A (en) | 2009-10-12 | 2009-10-12 | Ageing treatment method for controlling TiNi base memorial alloy phase transition temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910036259A CN101671803A (en) | 2009-10-12 | 2009-10-12 | Ageing treatment method for controlling TiNi base memorial alloy phase transition temperature |
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| CN101671803A true CN101671803A (en) | 2010-03-17 |
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Family Applications (1)
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| CN200910036259A Pending CN101671803A (en) | 2009-10-12 | 2009-10-12 | Ageing treatment method for controlling TiNi base memorial alloy phase transition temperature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808142A (en) * | 2012-08-22 | 2012-12-05 | 镇江忆诺唯记忆合金有限公司 | Heat treatment process method capable of controlling phase change temperature of TiNiV memory alloy |
-
2009
- 2009-10-12 CN CN200910036259A patent/CN101671803A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808142A (en) * | 2012-08-22 | 2012-12-05 | 镇江忆诺唯记忆合金有限公司 | Heat treatment process method capable of controlling phase change temperature of TiNiV memory alloy |
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Open date: 20100317 |