Guochun Liu, Hongfei Zhou, Wenfeng Yang, Dehui Lin, Guang'ao Chen. Simulation Analysis and Verification of Single Pulse Laser Paint Removal Morphology with Multi Physics Field[J]. Laser & Optoelectronics Progress, 2023, 60(15): 1514001
- Laser & Optoelectronics Progress
- Vol. 60, Issue 15, 1514001 (2023)
Fig. 1. Schematic diagram of pulse laser cleaning principle
Fig. 2. Infrared nanosecond pulse laser
Fig. 3. Laser confocal microscopy
Fig. 4. Experimental ablation morphology
Fig. 5. Relationship between laser energy density and ablation depth
Fig. 6. Comparison of experimental and theoretical maximum ablation width
Fig. 7. Pulse laser paint removal model
Fig. 8. Topography of paint removal for temperature criterion under different powers
Fig. 9. Topography of paint removal for thermal stress criterion under different powers
Fig. 10. Comparison of paint removal morphology obtained by two criteria under different energy densities. (a) Ablation depth; (b) ablation width
Fig. 11. Single pulse ablation morphology at laser energy density of 21.66 J/cm².(a) Experiment;(b) double criteria; (c) temperature criterion; (d) section profiles of A-A
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Table 1. Thermal characteristic of paint and substrate
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Table 2. Damage stress test results for paint
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Table 3. Results of laser energy density
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Table 4. Morphology parameters of paint removal under different working conditions
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Table 5. Ablation volume at different laser powers
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