Numerical simulation of pre-stressed laser shock peening forming

Chu Wang; Bochao Shu; Long Zhang; Han Ren

doi:10.1117/12.2638921

20 September 2022 Numerical simulation of pre-stressed laser shock peening forming

Chu Wang, Bochao Shu, Long Zhang, Han Ren

Proceedings Volume 12261, International Conference on Mechanical Design and Simulation (MDS 2022); 1226146 (2022) https://doi.org/10.1117/12.2638921
Event: Second International Conference on Mechanical Design and Simulation (MDS 2022), 2022, Wuhan, China

Abstract

The laser shock peening forming process provides several potential advantages including lower surface roughness, higher resistance to stress corrosion and higher fatigue life over conventional mechanical peening processes. This study investigates the laser shock force of aluminum alloy of 2024-T351, which is measured by the PVDF piezoelectric sensor. The experiments with pre-stressed laser peening forming are implemented followed by the finite element model in ABAQUS software. The numerical model is validated to be an effective tool to observe the impact pressure and equivalent plastic strain. The results show that the simulation model with laser pulse loading using vdload subroutine can improve the calculation accuracy by 15.6%.

Citation Download Citation

Chu Wang, Bochao Shu, Long Zhang, and Han Ren "Numerical simulation of pre-stressed laser shock peening forming", Proc. SPIE 12261, International Conference on Mechanical Design and Simulation (MDS 2022), 1226146 (20 September 2022); https://doi.org/10.1117/12.2638921

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