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논문 기본 정보

자료유형
학술저널
저자정보
Yulong Liang (Anyang Institute of Technology) Qiang He (Anyang Institute of Technology) Shuyong Jiang (Harbin Engineering University) Chengzhi Zhao (Harbin Engineering University)
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.27 No.10
발행연도
2021.10
수록면
4,047 - 4,058 (12page)
DOI
10.1007/s12540-020-00741-6

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초록· 키워드

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Texture evolution of NiTiFe shape memory alloy (SMA) is investigated during plane strain compression based on crystalplasticity finite element method (CPFEM) and electron back-scatter diffraction (EBSD) experiment. The deformation texturesof NiTiFe SMA are not influenced very considerably after experiencing recrystalline annealing at 600 °C for 1 h. Based onthe results of CPFEM, the main activated slip systems of NiTiFe SMA are ?100?/{110} and ?111?/{110} ones during planestrain compression. According to the relationship between texture components and activated slip systems put forward in thisstudy, ?110? direction would rotate to rolling direction, whereas ?100? and ?111? directions would rotate to normal direction. These rotations contribute to the formation of γ-fibre texture and α-fibre texture in NiTiFe SMA. The deformation texturecomponents predicted by CPFEM and determined by EBSD were compared with each other in detail. Due to the startupof the pencil glide and multiple slip in the refined microstructure, there are some differences between texture componentspredicted by CPFEM and texture components determined by EBSD. The deformation heterogeneity is discussed in termsof rotation angle at each integration point in the study.

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