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HomeMaterials Science ForumMaterials Science Forum Vol. 879Development of High-Temperature Shape Memory...

Development of High-Temperature Shape Memory Alloys above 673 K

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Abstract:

TiPd was investigated as a candidate of high-temperature shape memory alloys. To improve shape recovery, solid-solution hardening by addition of alloying element has been performed. The effect of alloying on martensite transformation temperature, shape memory effect, and yield strength of martensite and austenite phases were investigated. Zr and Hf were found to be effective element to improve shape memory effect. The most important factor to improve shape memory effect of TiPd is temperature to form Ti₂Pd₃ precipitates rather than strengthening.

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THERMEC 2016

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Periodical:

Materials Science Forum (Volume 879)

Pages:

107-112

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.879.107

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Online since:

November 2016

Authors:

Yoko Yamabe-Mitarai

Keywords:

Compression Stress, High-Temperature Shape Memory Alloys, Martensite Variant Reorientation Stresss, Martensitic Transformation, Shape Recovery

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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