Influence of Strain Rate on Mechanical Properties of Shape Memory Alloy

Zhen Qing Wang; Hong Shuai Lei; Bo Zhou; Yu Long Wang; Chen Zhang

doi:10.4028/www.scientific.net/KEM.467-469.585

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 467-469Influence of Strain Rate on Mechanical Properties...

Influence of Strain Rate on Mechanical Properties of Shape Memory Alloy

Abstract:

The influence of strain rate on mechanical properties of Ni-Ti SMA wires was investigated by a series of uniaxial loading tests. The influence of strain rate on critical stress was discussed. During the transformation process, the slop of the stress-strain curves was increasing with the increase of strain rate. A new equation was developed to describe the change of residual train based on the test results.

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Key Engineering Materials (Volumes 467-469)

Pages:

585-588

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https://doi.org/10.4028/www.scientific.net/KEM.467-469.585

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Online since:

February 2011

Authors:

Zhen Qing Wang, Hong Shuai Lei, Bo Zhou, Yu Long Wang, Chen Zhang

Keywords:

Mechanical Property, Residual Strain, Shape Memory Alloy Actuator, Strain Rate

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