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Stress-Induced Lattice Transit Behavior in a Cold-Rolled Cu-Al-Mn Two-Way Shape Memory Alloy

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Abstract:

The effect of cold rolling on two-way shape memory was investigated by x-ray diffraction technique and TEM in a Cu-18Al-10.5Mn (at.%) alloy. Cold rolling leads to a preferred orientation distribution on the stress-induced martensite with 6M-structure, which leads to the dependence of two-way shape memory on the specimen directions. The relationship of stress state and anisotropy of 6M-structured martensite lattice inside cold rolling deforming region is elucidated through analyzing the deformation process-related variant selection according to original grain orientation.

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Info:

Periodical:

Materials Science Forum (Volumes 561-565)

Pages:

1445-1449

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.561-565.1445

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Online since:

October 2007

Authors:

Ji Jie Wang, B.L. Wu, Z.W. Huang, Tong Cui, Yan Dong Wang, Ryosuke Kainuma, Kiyohito Ishida

Keywords:

Anisotropy, Cu-Based (Cu-Al-Mn) Alloy, Lattice Orientation, Stress Induced Martensite, Two-Way Shape Memory Effect

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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