Grain size effect on the microstructure of deformed Fe-Mn-Si based shape memory alloys

被引：11
|
作者：
Masuya, T [1 ]
Yoneyama, N [1 ]
Kumai, S [1 ]
Sato, A [1 ]
机构：
[1] Tokyo Inst Technol, Dept Mat Sci & Engn, Midori Ku, Yokohama, Kanagawa 2268502, Japan
来源：
SHAPE MEMORY MATERIALS | 2000年 / 327-3卷
关键词：
Fe-based shape memory alloy; microstructure; y ->epsilon transformation; grain size refinement; shockley partial dislocation; one way shape memory;
D O I：
10.4028/www.scientific.net/MSF.327-328.267
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Microstructure and shape memory effect have been examined by TEM and HVEM after deformation by tension and compression tests with special interest on the grain size refinement. The yield stress increased substantially by the grain size refinement, yet maintaining a good shape memory effect. In addition to the above mentioned slow strain rate tests, high-speed deformation tests were also made either by dropping a weight or by shooting a bullet.
引用
收藏
页码：267 / 270
页数：4
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