Inhomogeneous martensitic transformation behavior and elastocaloric effect in a bicrystal Cu-Al-Mn shape memory alloy

被引：0
|
作者：
Lu N.-H. [1 ]
Chen C.-H. [1 ,2 ]
机构：
[1] Dept. of Mechanical Engineering, National Taiwan University, Taipei
[2] Dept. of Materials Science and Engineering, National Taiwan University, Taipei
来源：
Materials Science and Engineering: A | 2021年 / 800卷
关键词：
Digital image correlation; Elastocaloric effect; Grains and interfaces; Shape memory alloys; Stress/strain measurements; Superelasticity;
D O I：
10.1016/j.msea.2020.140386
中图分类号：
学科分类号：
摘要：
The inhomogeneous distributions of strain and temperature of a bicrystal Cu-Al-Mn shape memory alloy were investigated. A large strain gradient was observed near the grain boundary. During the compression test, the top and bottom grains underwent outward and inward out-of-plane deformations, respectively, which led to the formation of cracks. © 2020 Elsevier B.V.
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