Fig. 1. Resin matrix composites. (a) Coating; (b) substrate

Fig. 2. Schematic of material structure

Fig. 3. Schematic of laser removal modes. (a) Combination of ablation and vibration effects;(b) critical status; (c) dominant ablation effect

Fig. 4. Schematic of stress distribution of materials induced by laser radiation

Fig. 5. Temperature curve of material surface irradiated by lasers with different average powers

Fig. 6. Temperature-time curve of coating at different depths

Fig. 7. Schematic of effective overlap of spots in removal process

Fig. 8. Cleaned resin matrix composites

Fig. 9. Measured data by step profiler. (a) From laser-cleaned part to initial part; (b) from wiped part to laser-cleaned part

Fig. 10. EDS analysis results of specimens. (a) Coating; (b) substrates in different states

Fig. 11. Scanning electron microscope images of specimens in different states. (a) Initial state; (b) laser-cleaned specimen; (c) abrasive specimen