Thermal stability of the Ni54Mn25Ga21 Heusler alloy with high temperature transformation

被引：76

作者：

Ma, YQ ^{[1
]}

Jiang, CB ^{[1
]}

Feng, G ^{[1
]}

Xu, HB ^{[1
]}

机构：

[1] Beijing Univ Aeronaut & Astronaut, Dept Mat Sci & Engn, Beijing 100083, Peoples R China

来源：

SCRIPTA MATERIALIA | 2003年 / 48卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Ni2MnGa Heusler alloy; high temperature shape memory alloy; phase transformation stability; microstructure;

D O I：

10.1016/S1359-6462(02)00450-5

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Ni54Mn25Ga21 is studied with martensitic transformation temperature higher than 250 degreesC. 1000 thermal cycles are performed without obvious differences of its microstructure and martensitic transformation behavior. The single-phase and the well self-accommodated martensitic twins are thought to be attributed to its high stability of the martensitic transformation. (C) 2002 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.

引用

页码：365 / 369

页数：5

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