Microstructural,phase transformation and magnetic properties of Ni-Mn-Ga alloy fabricated by spark plasma sintering

被引：0
|
作者：
田晓华 [1 ,2 ]
隋解和 [1 ]
张欣 [1 ]
冯雪 [1 ]
蔡伟 [1 ]
机构：
[1] School of Materials Science and Engineering,Harbin Institute of Technology
[2] College of Applied Science,Harbin University of Science and Technology
来源：
Chinese Physics B | 2011年 / 20卷 / 04期
基金：
中国国家自然科学基金;
关键词：
ferromagnetic shape memory alloys; magnetic properties; martensitic transformations; spark plasma sintering;
D O I：
暂无
中图分类号：
O482.5 [磁学性质];
学科分类号：
070205 ; 0805 ; 080502 ; 0809 ;
摘要：
The microstructural,phase transformation and magnetic properties of Ni-Mn-Ga alloy fabricated using the spark plasma sintering method have been investigated. The results show that both the as-sintered and annealed sintered specimens exhibit typical martensitic transformation behaviours. The martensite of the sintered specimen after annealing exhibits a ferromagnetic nature. Moreover,study of the fracture surface indicates that the transgranular fracture contributes to the higher ductility of sintered Ni-Mn-Ga alloy. In addition,the transformation strain in sintered Ni-Mn-Ga alloy is studied for the first time.
引用
收藏
页码：480 / 483
页数：4
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