Effect of thermo-mechanical process on structure and high temperature shape memory properties of Ti–15Ta–15Zr alloy

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 allo...

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Published inChinese physics B Vol. 26; no. 5; pp. 299 - 303
Main Author 郑晓航 隋解和 杨哲一 张治国 蔡伟
Format Journal Article
LanguageEnglish
Published 01.05.2017
Subjects
形变热处理
形状记忆性能
热加工工艺
结构
退火温度
马氏体相变
高温形状记忆合金
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ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/26/5/056103

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Summary: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.
Bibliography: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.
martensite thermo Ta Zr alloy annealing annealed rolled rolling perfect tensile
11-5639/O4
Xiao-Hang Zheng1, Jie-He Sui1, Zhe-Yi Yang1, Guo-Zhang Zhi2, Wei Cai1（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）
ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/26/5/056103