Zhu Ran, Zhang Yongkang, Sun Guifang, Li Pu, Zhang Shengbiao, Ni Zhonghua. Numerical Simulation of Residual Stress Fields in Three-Dimensional Flattened Laser Shocking of 2024 Aluminum Alloy[J]. Chinese Journal of Lasers, 2017, 44(8): 802007
- Chinese Journal of Lasers
- Vol. 44, Issue 8, 802007 (2017)
Fig. 1. Pressure loading curve of shock wave
Fig. 2. Spatial distribution of shock wave pressure
Fig. 3. Finite element model of laser shocking of 2024 aluminum alloy
Fig. 4. Simulated and experimental results of surface residual stress
Fig. 5. Residual stress distributions. (a) Surface residual stress; (b) residual stress along depth direction
Fig. 6. Influence of spot size on residual stress distribution. (a) Surface direction; (b) depth direction
Fig. 7. Influence of impact times on residual stress distribution. (a) Surface direction; (b) depth direction
Fig. 8. Influence of overlapping rate on residual stress distribution. (a) Surface direction; (b) depth direction
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Table 1. Basic material parameters of 2024 aluminum alloy
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