A Study Of Phase Transformation In Shape Memory Alloy Cual9fe4

Nguyen Duong Nam, Vu Anh Tuan, Nguyen Hai Yen, Dao Van Lap and Pham Mai Khanh ()
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Nguyen Duong Nam: Viet Nam Maritime University, Hai Phong City, Viet Nam.
Vu Anh Tuan: Viet Nam Maritime University, Hai Phong City, Viet Nam.
Nguyen Hai Yen: Viet Nam Maritime University, Hai Phong City, Viet Nam.
Dao Van Lap: Viet Nam Maritime University, Hai Phong City, Viet Nam.
Pham Mai Khanh: School of Material Science and Engineering, Ha Noi University of Science and Technology, Ha Noi City, Viet Nam.

Journal of Mechanical Engineering Research & Developments (JMERD), 2019, vol. 42, issue 2, 72-75

Abstract: Microstructure and phase transformation in shape memory alloy Cu-Al (Fe addition: 9% Al, 4 % Fe) were investigated in this study. It is a material capable of restoring its original shape when impacted by a reasonable temperature or cyclic stress and production cost is not too expensive. In many years, shape memory alloys (SMA) based on Cu – Fe is considered to be very attractive to industrial and biomedical applications such as cardiovascular, orthopedic, surgery and production of spare parts and jigs. Original alloy exists β martensite and only exists 〖α^’〗_1 (3R)+ 〖β’〗_1(9R) + 〖γ^’〗_(1 ) (2H) which is finely dispersed homogenously in microstructure after finishing shape memory transformation. Shape memory rate obtained 6%-24% corresponding to each deformation angle before the experiment. Phase transformation between these two phases during deformation as well as the heating-cooling process which create the basis for the unique properties of the alloy.

Keywords: shape memory alloys; transformation temperatures; shape memory effect. (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zjmerd:v:42:y:2019:i:2:p:72-75

DOI: 10.26480/jmerd.02.2019.72.75

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