Ferromagnetic shape memory alloys: An overview

被引：0
作者：
Cesari, E [1 ]
Pons, J
Santamarta, R
Segui, C
Chernenko, VA
机构：
[1] Univ Illes Balears, Dept Fis, E-07122 Palma de Mallorca, Spain
[2] Inst Magnetism, UA-03142 Kiev, Ukraine
来源：
ARCHIVES OF METALLURGY AND MATERIALS | 2004年 / 49卷 / 04期
关键词：
martensitic transformation; shape memory alloys; ferromagnetism;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Ferromagnetic shape memory alloys (FSMA) have the unique capability to exhibit the thermoelastic martensitic transformation and rearrangement of martensitic variants by applying a magnetic filed, in addition to temperature and/or stress changes as in conventional shape memory alloys. The different mechanisms which can produce a shape change under a magnetic field and their relation with the magnetocrystalline anisotropy are discussed. The transformation sequences and martensitic structures are reviewed, particularly in Ni-Mn-Ga alloys as the best known system and representative of the martensites appearing in most FSMA systems. Some transformation features of more recently developed FSMA, namely Ni-Co-Al and Co-Ni-Ga, are also considered.
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页码：779 / 789
页数：11
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