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Proceedings Paper

Recent research on the elastic unstableness of shape memory alloy in martensite transformation by micro-high-speed photography
Author(s): Jie Yang; Yuehua Wu; Tsuneyoshi Uyemura
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Paper Abstract

The paper reports the research results on the phenomenon of elastic unstableness in martensite transformation of Cu-Al-Ni shape memory alloy (SMA). We use the method of micro-high speed photography. The martensite of Cu-Al-Ni SMA presents thermoelastic strain in the heating and cooling process. While the sample is heated to As, the martensite begins to contract and the temperature reaches Af point, the martensite is gradually reducing. It is possible that the martensite suddenly disappears from certain visible size at the instant it is heated to Af temperature.

Paper Details

Date Published: 1 January 1993
PDF: 6 pages
Proc. SPIE 1801, 20th International Congress on High Speed Photography and Photonics, (1 January 1993); doi: 10.1117/12.145838
Show Author Affiliations
Jie Yang, Univ. of Science and Technology of China (China)
Yuehua Wu, Univ. of Science and Technology of China (China)
Tsuneyoshi Uyemura, Univ. of Science and Technology of China (China)


Published in SPIE Proceedings Vol. 1801:
20th International Congress on High Speed Photography and Photonics
John Marks Dewey; Roberto G. Racca, Editor(s)

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