Two-way shape memory effect and magnetic-field-induced twin boundary motion in Ni-Mn-Ga microwire

被引：11
|
作者：
Zhao, Yangyong [1 ,2 ]
Xue, Jing [1 ]
Zhang, Yong [3 ]
Kang, Maodong [1 ]
Gao, Haiyan [1 ]
Wang, Jun [1 ,2 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, 800 Dong Chuan Rd, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, 800 Dong Chuan Rd, Shanghai 200240, Peoples R China
[3] Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 10083, Peoples R China
来源：
MATERIALS LETTERS | 2019年 / 243卷
基金：
中国国家自然科学基金;
关键词：
Two-way shape memory; Martensitic transformation; Ni-Mn-Ga alloy; Glass-coated microwire; Magnetic materials; Shape memory materials; MARTENSITIC PHASES; INDUCED STRAIN; SUPERELASTICITY;
D O I：
10.1016/j.matlet.2019.02.007
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ni(55.68)Mn(23.32)Ga(21.00)microwire with a diameter of 116 mu m was produced by a glass-coated melt spinning method. The as-cast microwire, which has 7 M martensite structure at room temperature, showed two-way shape memory effect. A change in the slope of M(H) curve with the applied magnetic field perpendicular to the microwire was observed. The solidification process and quenched-in internal stress were discussed to probe the possible mechanism for the anomalous magnetization behavior. (C) 2019 Elsevier B.V. All rights reserved.
引用
收藏
页码：173 / 175
页数：3
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