Fig. 1. Characteristics of laser processing and four typical laser processes

Fig. 2. Number of academic papers on aerospace laser processing based on the search results of Web of Science

Fig. 3. Laser cutting system and its principle^［12］

Fig. 4. Typical applications of laser cutting in the aerospace field^［14］

Fig. 5. Comparison of edge damage under different regulation strategies^［23］

Fig. 6. Process and modes of laser welding

Fig. 7. Typical applications of laser welding in the aerospace field

Fig. 8. Charpy impact fracture morphology of samples under different laser powers^［27］

Fig. 9. Welding of bimetallic materials^［31］

Fig. 10. Principle and method of laser drilling

Fig. 11. Typical applications of laser drilling in the aerospace field

Fig. 12. Sectional morphology of through holes with large depth-to-diameter ratios^［35］

Fig. 13. Results of two drilling strategies^［36］

Fig. 14. Morphology of the hole on a 1 300 μm thick IN792 plate after one-step methodprocessing^［38］

Fig. 15. Morphology of the hole on a 1 300 μm thick IN792 plate after two-step method processing^［38］

Fig. 16. Typical applications of laser surface processing in the aerospace field^［45-46］

Fig. 17. Peeling morphology of composite skin paint removed by nanosecond laser^［47］

Fig. 18. Schematic diagram of the SLM-based maskless patterning method for ultrafast manufacturing of multitype micro-supercapacitors^［50］

Fig. 19. Diagrams of SPHG processing and its application^［66］

Fig. 20. Fabrication，design inspiration，and unidirectional water penetration behavior of O-P-Janus membrane^［70］

Fig. 21. Analyses of dynamics and force on the interface during the fog harvesting process^［70］

Fig. 22. SEM images of the fabricated straight microchannel heat sink and Raman spectroscopy at different positions^［71］

Fig. 23. Alloy coating prepared by the CLC and EHLA technologies^［92］