MICROSTRUCTURE AND REVERSE SHAPE MEMORY EFFECT IN A Cu-Zn-Al ALLOY

Acta Metall Sin

1990, Vol. 26

Issue (6): 81-83 DOI:

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MICROSTRUCTURE AND REVERSE SHAPE MEMORY EFFECT IN A Cu-Zn-Al ALLOY

DONG Jianxin;CHEN Fumin;CHEN Jinming;LIU Wenxi Tianjin University

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DONG Jianxin;CHEN Fumin;CHEN Jinming;LIU Wenxi Tianjin University. MICROSTRUCTURE AND REVERSE SHAPE MEMORY EFFECT IN A Cu-Zn-Al ALLOY. Acta Metall Sin, 1990, 26(6): 81-83.

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Abstract The bainite structure related to the reverse shape memory effect has been observ-ed by means of TEM in a Cu-Zn-Al alloy. The reverse memory effect may be improved upto one order of magnitude under applied constraint stress. The widespread propagation of bai-nite was confirmed to be the diffusion controlled shear process by phenomina observed both theparabolic configuration of side interface of bainite plate and the twisting of intersected bainiteplates.

Key words: Cu-Zn-Al memory alloy reverse shape memory effect bainitic transformation

Received: 18 June 1990

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