Effects of Co Additions on the Martensitic Transformation and Magnetic Properties of Ni–Mn–Sn Shape Memory Alloys

被引：0
作者：
T. Bachaga
R. Daly
J. J. Suñol
J. Saurina
L. Escoda
L. G. Legarreta
B. Hernando
M. Khitouni
机构：
[1] University of Sfax,Laboratory of Inorganic Chemistry, UR 11ES73
[2] University of Girona,Department of Physics
[3] University of Oviedo,Department of Physics
来源：
Journal of Superconductivity and Novel Magnetism | 2015年 / 28卷
关键词：
Shape memory alloys; Martensitic transformation; Magnetic Properties; Co additions;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this work, ribbons of composition Ni50−x CoxMn38Sn12 (x = 1, 2, and 3 at%.) were produced by the melt-spinning technique. Martensitic transformation shifts to lower temperatures with increasing (a) concentration of Co or (b) the external magnetic field. Structure at room temperature of alloys with x = 1 and x = 2 is martensite (monoclinic with a 10 M modulation), whereas for the alloy with x = 3 is austenitic. The temperature shift directly reports the valence electrons concentration per atom e/a of alloys.
引用
收藏
页码：3087 / 3092
页数：5
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