Fig. 1. Laser paint removal equipment and diagram of paint removal. (a) Laser paint removal equipment; (b) diagram of paint removal

Fig. 2. Schematic of laser spot scanning mode

Fig. 3. Fitting result of d and ln F

Fig. 4. Schematic of Cartesian coordinate system

Fig. 5. Comparison between experimental and simulated three-dimensional morphologies and profiles of crater

Fig. 6. Error analysis. (a) Comparison of diameter and depth; (b) error in diameter and depth; (c) comparative analysis diagram of profiles

Fig. 7. Schematic of laser plasma shock and thermal radiation mechanism. (a) Absorption of energy; (b) vaporization and burning; (c) material removal again

Fig. 8. Fitting result of d and F at high energy density

Fig. 9. Comparison between experimental and corrected model simulated three-dimensional morphologies and profiles of crater