A 3D model of the cyclic thermomechanical behavior of shape memory alloys

被引：173
|
作者：
Zaki, Wael [1 ]
Moumni, Ziad [1 ]
机构：
[1] Ecole Natl Super Tech Avancees, Unite Mecan, F-91761 Palaiseau, France
来源：
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS | 2007年 / 55卷 / 11期
关键词：
cyclic loading; training; two-way shape memory; residual strain; internal stress;
D O I：
10.1016/j.jmps.2007.03.011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The model in the first part of this paper is extended to account for SMA behavior under cyclic loading. To this end, three new state variables are introduced: internal stress B, residual strain Er and cumulated martensite volume fraction z(e). Several parameters of the extended model depend on z(e), making them evolve with cyclic phase change. Cyclic SMA effects including training and two-way shape memory are accounted for and several numerical simulations are provided and validated in the case of cyclic superelasticity. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2427 / 2454
页数：28
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