Yangshuai Li, Junyong Zhang, Jianqiang Zhu, Chang Li, Wenwu Zhang, Xiu Qin, Xiangyang Pang, Mingying Sun. Effect of Laser-Shock Processing on Generation of Contamination Induced by Nanosecond Laser Irradiation of Aluminum Alloy[J]. Chinese Journal of Lasers, 2021, 48(18): 1802010
- Chinese Journal of Lasers
- Vol. 48, Issue 18, 1802010 (2021)
Fig. 1. Schematic of LSP
Fig. 2. Laser irradiation experiment of 5052 aluminum alloy
Fig. 3. Macroscopic and microscopic surface morphology of 5052 aluminum alloy before and after LSP. (a) Macroscopic morphology before LSP; (b) macroscopic morphology after LSP; (c) microscopic morphology before LSP; (d) microscopic morphology after LSP
Fig. 4. Damage effect of different laser energy density on the material surface[15].(a)Laser cleaning;(b)laser ablation
Fig. 5. Curve of number of 0.3--0.5 μm particles with different laser energy density before and after LSP
Fig. 6. Laser ablation and laser cleaning. (a) Laser ablation; (b) enlarged laser ablation; (c) laser cleaning
Fig. 7. Curve of number of 0.3--0.5 μm particles with different laser energy density
Fig. 8. Micro surface morphology of 5052 aluminum alloy after LSP at three laser power density. (a) 0.75 GW/cm2; (b) 1.12 GW/cm2; (c) 1.88 GW/cm2
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Table 1. Properties of 5052 aluminum alloy after LSP with different power density
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