Reverse shape memory effect in Cu–Mn–Ga–Mo alloys

Zheng, Shiwei; Li, Chengyan; Guo, Lipeng; Chen, Xinren; Huang, Yixiong; Wang, Cuiping; Yang, Shuiyuan

doi:10.1016/j.matchar.2023.112679

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Reverse shape memory effect in Cu–Mn–Ga–Mo alloys

Zheng, S., Li, C., Guo, L., Chen, X., Huang, Y., Wang, C., et al. (2023). Reverse shape memory effect in Cu–Mn–Ga–Mo alloys. Materials Characterization, 197: 112679. doi:10.1016/j.matchar.2023.112679.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000C-8924-1 Version Permalink: https://hdl.handle.net/21.11116/0000-000C-8925-0

Genre: Journal Article

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Creators:
Zheng, Shiwei^{1, 2, 3}, Author
Li, Chengyan^{1, 2, 3}, Author
Guo, Lipeng^{1, 2, 3}, Author
Chen, Xinren⁴, Author
Huang, Yixiong^{1, 3}, Author
Wang, Cuiping^{1, 3}, Author
Yang, Shuiyuan^{1, 2, 3}, Author

Affiliations:
1College of Materials of Xiamen University, Xiamen 361005, China, ou_persistent22
2Shenzhen Research Institute of Xiamen University, Shenzhen 518055, China, ou_persistent22
3Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials, Xiamen Key Laboratory of High Performance Metals and Materials, Xiamen University, Xiamen 361005, China, ou_persistent22
4Computational Sustainable Metallurgy, Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_3243050

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Free keywords: Cu–Mn–Ga, Shape memory alloy, Martensitic transformation, Reverse shape memory effect

Abstract: In this paper, a remarkable reverse shape memory effect of the Cu-(12–14)Mn-20Ga-0.5Mo shape memory alloys is demonstrated, in which the dimension could move toward the deformed state between 430 K and 550 K. The reverse shape memory effect results from the phase transformation of the residual austenite (L21) → martensite (2H). When raising the temperature from 550 K to 680 K, the shape memory effect appears, and the dimension increases to the state before deformation. Moreover, the reverse shape memory effect is gradually boosted with the enhancement of Mn content, and the Cu-14Mn-20Ga-0.5Mo alloy has the maximum reverse shape memory effect of 1.63%.

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Language(s): eng - English

Dates: Date issued: 2023-03

Publication Status: Issued

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Table of Contents: -

Rev. Type: Peer

Identifiers: DOI: 10.1016/j.matchar.2023.112679

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Title: Materials Characterization

Abbreviation : Mater. Charact.

Source Genre: Journal

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Publ. Info: Amsterdam : Elsevier

Pages: - Volume / Issue: 197 Sequence Number: 112679 Start / End Page: - Identifier: ISSN: 1044-5803
CoNE: https://pure.mpg.de/cone/journals/resource/954928499483