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Effect of thermo-mechanical process on structure and high temperature shape memory properties of Ti-15Ta-15Zr alloy |
| Xiao-Hang Zheng(郑晓航)1, Jie-He Sui(隋解和)1, Zhe-Yi Yang(杨哲一)1, Guo-Zhang Zhi(张治国)2, Wei Cai(蔡伟)1 |
1 School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;
2 School of Science, Harbin Institute of Technology, Harbin 150001, China |
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Abstract The effect of thermo-mechanical treatment on microstructure evolution, martensite transformation, and shape memory behavior of Ti-15Ta-15Zr high temperature shape memory alloy were investigated. Different martensite morphologies were found with different annealing temperatures. The Ti-15Ta-15Zr alloy exhibits almost perfect shape memory recovery strain of 6% after annealing at 973 K for 0.5 h.
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Received: 26 September 2016
Revised: 18 January 2017
Accepted manuscript online:
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PACS:
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61.66.Dk
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(Alloys )
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62.20.fg
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(Shape-memory effect; yield stress; superelasticity)
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| Fund: Project support by the National Natural Science Foundation of China (Grant No. 51501049), China Postdoctoral Science Foundation (Grant No. 2015M571405), and the Fundamental Research Funds for the Central Universities, China (Grant No. HIT.NSRIF.20163). |
Corresponding Authors:
Wei Cai
E-mail: weicai@hit.edu.cn
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Cite this article:
Xiao-Hang Zheng(郑晓航), Jie-He Sui(隋解和), Zhe-Yi Yang(杨哲一), Guo-Zhang Zhi(张治国), Wei Cai(蔡伟) Effect of thermo-mechanical process on structure and high temperature shape memory properties of Ti-15Ta-15Zr alloy 2017 Chin. Phys. B 26 056103
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