Magnetic field-induced reverse transformation in B2-type NiCoMnAl shape memory alloys
Magnetic field-induced reverse transformation in B2-type NiCoMnAl shape memory alloys
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DOI：
10.1063/1.2965811
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发表时间：
2008-09-01
影响因子：
4
通讯作者：
Ishida, K.
中科院分区：
文献类型：
--
作者：
Kainuma, R.;Ito, W.;Ishida, K.
研究了在NiMnAl合金中添加Co对合金马氏体性能和磁性能的影响。母相（P）的磁性从顺磁性急剧变化为铁磁性，而马氏体（M）相中的磁化强度随着Co成分的增加而略微降低。因此，在具有B2有序结构的Ni（40）Co（10）Mn（33）Al（17）合金中，获得了从铁磁性P相到弱磁性M相的马氏体相变。在该合金中的马氏体相变温度降低了约30 K的应用程序的磁场为7 T和变磁相变被证实。(c)2008年美国物理研究所。
Effects of the addition of Co to the NiMnAl alloy on the martensitic and magnetic properties were investigated. The magnetic properties of the parent (P) phase drastically changed from paramagnetic to ferromagnetic, while the magnetization in the martensite (M) phase slightly decreased with increasing Co composition. Consequently, in the Ni(40)Co(10)Mn(33)Al(17) alloy with the B2 ordered structure, the martensitic transformation from a ferromagnetic P to a weak magnetic M phase was obtained. The martensitic transformation temperatures in this alloy decreased by about 30 K with the application of a magnetic field of 7 T and a metamagnetic phase transformation was confirmed. (c) 2008 American Institute of Physics.