Simulation study demonstrates orientation-dependent mechanical responses in stamped aluminum alloys, indicating crystal plasticity finite element modeling accurately captures microstructural behavior.
This paper focuses on the mechanical performance of an aluminum alloy with uneven microstructure formed after stamping and brazing. The mechanical behavior of the stamping area is studied through the crystal plasticity finite element method (CPFEM). Firstly, the crystal plastic parameters of the material are obtained by fitting the experimental and simulated results of nanoindentation. Then, a polycrystalline tensile model is established using a Step-by-Step Packing method, with orientation distribution assigned based on EBSD results, followed by polycrystalline tensile simulations using CPFEM. The results demonstrate that CPFEM can effectively simulate the mechanical behavior of the studied aluminum alloy. Additionally, the study reveals significant orientation-dependent mechanical responses.
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Wang et al. (2025) studied this question.
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