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Improvement of shape memory effect in an Fe–Mn–Si–Cr–Ni alloy fabricated by equal channel angular pressing

✍ Scribed by Zhang Wei; Jiang Laizhu; Li Ning; Wen Yuhua

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
802 KB
Volume
208
Category
Article
ISSN
0924-0136

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✦ Synopsis

The effects of equal channel angular pressing (ECAP) and subsequent annealing on the microstructures, martensite transformation and shape memory effect (SME) in an Fe-Mn-Si-Cr-Ni alloy were investigated. The results showed that the fined-grained Fe-Mn-Si-Cr-Ni shape memory alloy with the size of several microns was obtained by ECAP.

The SME was improved to 95% when bent 4.33% at 200 K.

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