Fig. 1. Laser cleaning platform system^[12]. (a) Automatic laser cleaning equipment; (b) schematic of cleaning operation

Fig. 2. Surface morphology and phase of rusted layer on Q345 steel surface. (a) Macroscopic morphology; (b) SEM morphology; (c) XRD spectrum

Fig. 3. Effect of laser scanning speed on the macroscopic surface morphology of rusted layer on Q345 steel. (a) 0 (not cleaned); (b) 1000 mm·s^-1; (c) 3000 mm·s^-1; (d) 5000 mm·s^-1

Fig. 4. Effect of laser scanning speed on the micro surface morphology of rusted layer on Q345 steel. (a) 0 (not cleaned); (b) 1000 mm·s^-1; (c) 3000 mm·s^-1; (d) 5000 mm·s^-1

Fig. 5. Schematic of spot lapping during laser cleaning

Fig. 6. SEM of spot effect at different scanning speeds and cleaning speed of 0 during laser single-pass cleaning. (a) 100 mm·s^-1; (b) 1000 mm·s^-1

Fig. 7. Effect of scanning speed on line with d₂ at cleaning speed of 10 mm·s^-1 during laser cleaning

Fig. 8. Effect of laser scanning speed on element distribution of Q345 steel surface during laser cleaning

Fig. 9. Effect of laser scanning speed on element content of Q345 steel surface during laser cleaning

Fig. 10. Effect of laser scanning speed on XRD spectra of Q345 steel surface during laser cleaning

Fig. 11. Effect of laser scanning speed on surface roughness of Q345 steel during laser cleaning

Fig. 12. Effect of laser scanning speed on three-dimensional surface morphology of Q345 steel during laser cleaning. (a) 0 (not cleaned); (b) 1000 mm·s^-1; (c) 3000 mm·s^-1; (d) 5000 mm·s^-1

Fig. 13. Effect of scanning speed on surface polarization curve of Q345 steel during laser cleaning

Fig. 14. Effect of laser scanning speed on self-corrosion current density of Q345 steel surface