The way composition affects martensitic transformation temperatures of Ni-Mn-Ga Heusler alloys

被引：30
|
作者：
Chen, X. Q. [1 ]
Yang, F. J.
Lu, X.
Qin, Z. X.
机构：
[1] Hubei Univ, Fac Mat Sci & Engn, Wuhan 430062, Hubei, Peoples R China
[2] Dalian Jiaotong Univ, Sch Mat Sci & Engn, Dalian 116028, Liaoning, Peoples R China
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2007年 / 244卷 / 03期
关键词：
D O I：
10.1002/pssb.200642327
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A systematic substitution of Ge, Si, C and Co for Ga in the non-stoichiometric Ni-Mn-Ga alloys was performed. The relationship between the compositions of different elements including Ni, Mn, Ga, Ge, Si, C, Co, In and martensitic transformation temperature (M-s) was studied in detail for the present alloys together with data collected from a variety of sources. It is found that M-s is a sensitive parameter to the composition. The size factor and electron concentration are usually thought to be the way the composition influences M-s in the Ni-Mn-Ga alloys. Here, analyzing by linear regression, the electron density maybe a most appropriate parameter to describe the way the composition influences M-s when compared with size factor and electron concentration. (C) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：1047 / 1053
页数：7
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