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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 9    No. 4    December 1999

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Metallographic study of thermoelastic martensite transformation in a Cu-Zn-Al alloy
Wang Mingpu(汪明朴); Xie Xianjiao(谢先娇); Yang Jie(杨杰); Peng Chaoqun(彭超群)

Department of Materials Science and Engineering; Central South University of Technology; Changsha 410083; P. R. China

Abstract:The structural characteristics of M18R martensite, self-accommodation configuration of single variant group and its formation process in a polycrystal Cu-Zn-Al alloy were studied by means of PolyverMET. Mainly, one grain contains one variant group and one group contains 2 4 variants which consist of three kinds of twins, called as AC, AB and AD. The forming process of a group is related with the self-accommodation of stress and strain.

 

Key words:  Cu-Zn-Al alloys; shape memory alloys; metallography

ISSN 1672-7029
CN 43-1423/U

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