Multiple ballistic impacts on 2024-T4 aluminum alloy by spheres: Experiments and modelling

J.C. Cheng,S.P. Zhao,D. Fan,H.W. Chai,S.J. Ye,C. Li,S.N. Luo,Y. Cai,J.Y. Huang

Journal of Materials Science & Technology（2021）

引用 11|浏览8

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摘要

•First investigation on multiple ballistic impacts of 2024Al-T4 alloy.•Crater parameters exhibit power-law increase with the number of impacts.•Twin-like deformation bands and macro-deformation twins coexist around crater walls.•FEM modelling reveals accumulated shear strain leads to deformation twinning.

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关键词

2024Al-T4 alloy,Multiple impacts,Twin-like deformation band,Deformation twinning,Finite element method

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