Effects of Ni and Co on Phase Transformation and Shape Memory Effect of Ti–Pd–Zr Alloys

被引：0
|
作者：
Yoko Yamabe-Mitarai
Brandon Ohl
Karolina Bogdanowicz
Ewelina Muszalska
机构：
[1] National Institute for Materials Science (NIMS),Graduate School of Frontier Sciences
[2] The University of Tokyo,undefined
[3] Northwestern University,undefined
[4] Warsaw University of Technology,undefined
来源：
Shape Memory and Superelasticity | 2020年 / 6卷
关键词：
High-temperature shape memory alloys; Titanium palladium; Martensitic transformation; Strain-temperature test; Work output;
D O I：
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中图分类号：
学科分类号：
摘要：
Effect of single and simultaneous addition of Ni and Co to Ti45Zr5Pdx on the phase transformation and strain recovery of the alloys was investigated to understand multi-component effect on high-temperature shape memory alloys. The martensitic transformation from B2 to B19 structures occurred in Ti45Zr5Pd40Ni10, Ti45Zr5Pd40Co10, Ti45Zr5Pd40Ni8Co2, and Ti45Zr5Pd40Ni2Co8. In contrast, at room temperature, martensitic transformation did not occur and the B2 structure was stable in Ti45Zr5Pd30Ni20 and Ti45Zr5Pd40Ni5Co5. This is due to the effect of Ni for Ti45Zr5Pd30Ni20 and the effect of multi-component for Ti45Zr5Pd40Ni5Co5. The shape memory effect was investigated using a thermal cyclic test. The perfect shape recovery was obtained after the repeated thermal cyclic test, indicating the potential of TiZrPd (Ni, Co) alloys as shape memory alloys.
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页码：170 / 180
页数：10
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