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

页码：1753 / 1757

页数：5

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