The ferromagnetic shape-memory effect in Ni-Mn-Ga

被引:55
作者
Marioni, MA
O'Handley, RC
Allen, SM
Hall, SR
Paul, DI
Richard, ML
Feuchtwanger, J
Peterson, BW
Chambers, JM
Techapiesancharoenkij, R
机构
[1] EMPA, CH-8600 Dubendorf, Switzerland
[2] MIT, Cambridge, MA 02139 USA
关键词
ferromagnetic shape-memory; Ni-Mn-Ga;
D O I
10.1016/j.jmmm.2004.11.156
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Active materials have long been used in the construction of sensors and devices. Examples are piezo-electric ceramics and shape memory alloys. The more recently developed ferromagnetic shape-memory alloys (FSMAs) have received considerable attention due to their large magnetic field-induced, reversible strains (up to 10%). In this article, we review the basic physical characteristics of the FSMA Ni-Mn-Ga (crystallography, thermal, mechanical and magnetic behavior). Also, we present some of the works currently under way in the areas of pulse-field and acoustic-assisted actuation, and vibration energy absorption. (c) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:35 / 41
页数:7
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