Anisotropic deformation mechanisms of rolling-textured Zircaloy-4 alloy by a crystal plasticity model

X.D. Zan,X. Guo, X.D. Xia,G.J. Weng, G. Chen, F.Z. Han

COMPUTATIONAL MATERIALS SCIENCE（2023）

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摘要

•Anisotropic deformation mechanisms are studied from a meso-viewpoint using CPFEM.•CPFEM well predicts the constitutive response of Zr-4 alloy.•The loading direction influences the activities of dislocation slips.•A certain proportion of hard grains result in lower uniform elongation in TD.•Zr-4 alloy has almost same yield anisotropy at different strain rates in RD and TD.

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关键词

Zircaloy-4,Crystal plasticity,Anisotropic deformation,Orientation effect,Strain rate sensitivity

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