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Proceedings Paper

Research on macroeffects and micromechanism of martensite phase transition of shape memory alloys by high-speed photography
Author(s): Jie Yang; Yuehua Wu; Yusheng Zhou; Tsuneyoshi Uyemura
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Paper Abstract

The paper, b means of High Speed Photography, records the changing process of helical springs made of Shape Memory Allo(SMA) in thermal cycles and the whole phase transition process of the material under microscope. B picture analysis, the paper shows clearly the macro- effects caused bY thermal elastic Martensite phase transition, reveals part of the micro-mechanism, obtained a definite relationship between temperature, deformation and resilient force in the phase transition process of thermal elastic Martensite and finds out the consistency of thermal elastic Martensite in the repeated thermal cycles. This will serve as a reference for the research of memory effect degradation and phase transition temperature shifting.

Paper Details

Date Published: 1 April 1991
PDF: 5 pages
Proc. SPIE 1358, 19th Intl Congress on High-Speed Photography and Photonics, (1 April 1991); doi: 10.1117/12.24082
Show Author Affiliations
Jie Yang, Univ. of Science and Technology of China (China)
Yuehua Wu, Univ. of Science and Technology of China (China)
Yusheng Zhou, Univ. of Science and Technology of China (China)
Tsuneyoshi Uyemura, Univ. of Science and Technology of China (China)


Published in SPIE Proceedings Vol. 1358:
19th Intl Congress on High-Speed Photography and Photonics
Peter W. W. Fuller, Editor(s)

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