Effects of Slight Re Addition on a Fe-25Mn-6Si-5Cr Shape Memory Alloy

被引：2
|
作者：
Wang, T. P. [2 ]
Lin, K. M. [2 ]
Lin, H. C. [1 ]
Wu, W. J. [1 ]
Lo, P. C. [1 ]
机构：
[1] Natl Taiwan Univ, Dept Mat Sci & Engn, Taipei 106, Taiwan
[2] Feng Chia Univ, Dept Mat Sci & Engn, Taichung 407, Taiwan
来源：
JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE | 2008年 / 5卷 / 08期
关键词：
Fe-Mn-Si-Cr Shape Memory Alloys; Rhenium; Shape Memory Effect; Thermo-Mechanical Training;
D O I：
10.1166/jctn.2008.868
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Slight amounts of Rhenium (Re) were added into the Fe-25Mn-6Si-5Cr shape memory alloy. The crystal structure, shape memory effect and thermo-mechanical training of these alloys were investigated. Experimental results show that both epsilon martensite and gamma austenite coexist at room temperature for the Fe-25Mn-6Si-5Cr-Re alloys. The Fe-25Mn-6Si-5Cr-0.13Re alloy exhibit an excellent shape recovery of 95 similar to 97%. The 500 similar to 700 degrees C annealing can improve significantly the shape memory performance of Fe-25Mn-6Si-5Cr-Re alloys. But the as-rolled and 800 similar to 900 degrees C annealed specimens have a worse shape recovery. Thermo-mechanical training can also effectively raise the alloy's shape memory performance. The Fe-25Mn-6Si-5Cr-0.13Re alloy exhibit a more striking efficacy of thermo-mechanical training than the Fe-25Mn-6Si-5Cr alloy.
引用
收藏
页码：1753 / 1757
页数：5
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