Effect of cobalt addition on shape memory properties of ferromagnetic Ni-Mn-Ga sputtered films

被引：4
|
作者：
Katano, Y [1 ]
Ohtsuka, M
Matsumoto, M
Koike, K
Itagaki, K
机构：
[1] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan
[2] Yamagata Univ, Fac Engn, Dept Basic Technol, Yonezawa, Yamagata 9928510, Japan
来源：
MATERIALS TRANSACTIONS | 2004年 / 45卷 / 02期
关键词：
nickel-manganese-gallium; ferromagnetic shape memory alloy; Heusler type crystal structure; sputtered film; shape memory effect;
D O I：
10.2320/matertrans.45.350
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Effect of adding cobalt on the shape memory properties of Ni-Mn-Ga sputtered films was investigated. It was found that the films containing cobalt less than 5.1 mol% has a single phase and those with more than 6.8 mol%Co has two phases. The Curie temperature increased and the saturation magnetization decreased with increasing cobalt content. These films exhibited one way shape memory effect. The shape recovery start temperature increased and the temperature range of shape change broadened with increasing cobalt content.
引用
收藏
页码：350 / 352
页数：3
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