Chinese Journal of Lasers, Volume. 49, Issue 2, 0202004(2022)
Dynamic Simulation of Laser Perforation Based on Dynamic Phase-Interface-Based Heat Source Model
Fig. 1. Principle of laser perforation. (a) Early stage of perforation; (b) middle stage of perforation; (c) time of perforation; (d)schematic diagram of phase-interface-based heat source model
Fig. 2. Laser perforation model. (a) Laser perforation geometric model; (b) symmetrical section of laser perforation geometric model; (c) grid model
Fig. 5. Cloud diagram of iron phase and gas phase at different time. (a) t=0.022 s; (b) t=0.044 s; (c) t=0.088 s; (d) t=0.1102 s
Fig. 6. Temperature field distribution nephogram at different time when x=0.005 m. (a) t=0.044 s; (b) t=0.066 s; (c) t=0.088 s; (d) t=0.11 s
Fig. 8. Cloud chart of the integral number of the melt. (a) t=0.044 s; (b) t=0.066 s; (c) t=0.088 s; (d) t=0.11 s
Fig. 12. Pressure distribution nephogram at different time. (a) t=0.044 s; (b) t=0.066 s; (c) t=0.088 s; (d) t=0.11 s
Fig. 13. Velocity nephogram at different time, (a) t=0.044 s; (b) t=0.066 s; (c) t=0.088 s; (d) t=0.11 s
Fig. 17. Velocity distribution of auxiliary gas in y direction along the horizontal line of y=0.0025 m
Fig. 19. Cross section morphology of laser perforation with different hole depths. (a) H=1594 μm; (b) H=1963 μm; (c) experimental simulation comparison; (d) H=1594 μm recast layer range; (e) H=1963 μm recast layer range
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Fangchao Xu, Zhidong Wang, Ling Tong, Zhe Xu, Feng Sun, Xiaoyou Zhang. Dynamic Simulation of Laser Perforation Based on Dynamic Phase-Interface-Based Heat Source Model[J]. Chinese Journal of Lasers, 2022, 49(2): 0202004
Category: laser manufacturing
Received: Mar. 2, 2021
Accepted: May. 12, 2021
Published Online: Dec. 1, 2021
The Author Email: Tong Ling (tonglingsy@163.com)