Effect of the Cr Content on Shape-Memory Effect and Corrosion Resistance of FeMnSiCrNi Shape-Memory Alloys

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外文摘要：Two types of shape memory alloys， Fe-14Mn-6Si-9Cr-7Ni (9Cr alloy) and Fe-16Mn-6Si-12Cr-7Ni (12Cr alloy)， have been studied。 It was found that there is more amount of α phase in 12Cr alloy than in 9Cr alloy。 The 9Cr alloy is better than the 12Cr alloy on shape memory effect and workability， but the 9Cr alloy is not good as the 12Cr alloy on corrosion-resistance in the 3。5% NaCl aqueous solution。 It was shown that a phase has a negative effect on shape memory effect。 The content of the element of Cr has an important effect on the microstructure， shape memory effect and corrosion-resistance of FeMnSiCrNi shape memory alloys。

外文关键词：

corrosion resistanceCr contentFeMnSiCrNi shape-memory alloysshape-memory effectα-phase

作者：

Guoguang Sun、Zhizhong Dong、Wenxi Liu、Jinming Chen

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作者单位：

Shape Memory Materials Engineering & Research Center, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China

会议名称：

Shape Memory Materials and Its Applications

会议地点：

Kunming(CN);Kunming(CN)

会议母体文献：

International Conference on Shape Memory and Superelastic Technologies and Shape Memory Materials (SMST-SMM 2001), Sep 2-6, 2001, Kunming, China

页码：

p.443-446

出版时间：

2001