Phase relations in the Ni-Mn-Ga ternary system and aging effect on shape memory properties of ferromagnetic Ni2MnGa sputtered films

被引：1
|
作者：
Ohtsuka, M [1 ]
Wedel, C
Itagaki, K
机构：
[1] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan
[2] Tohoku Univ, Grad Sch Engn, Sendai, Miyagi 9808577, Japan
来源：
MONATSHEFTE FUR CHEMIE | 2005年 / 136卷 / 11期
关键词：
nickel-manganese-gallium; ferromagnetic shape memory alloy; phase diagram; shape memory effect;
D O I：
10.1007/s00706-005-0382-z
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Isothermal sections of the Ni-Mn-Ga ternary phase diagram at 1073 and 1273 K were investigated over a wide range of alloy compositions. The range of the beta-Ni2MnGa phase, its equilibria with the gamma-(Mn, Ni), alpha'-Ni3Ga, and gamma-Ni3Ga2 phases, and the liquidus and solidus lines were determined experimentally. The aging effect on the shape memory effect (SME) of Ni2MnGa sputtered films was also investigated. The two-way SME of the constraint-aged films was confirmed by the temperature change.
引用
收藏
页码：1909 / 1914
页数：6
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