Fig. 1. Filling path diagram of yin and yang mould. (a) Yin mode filling path; (b) Yang mode filling path

Fig. 2. Example of algorithm validation. (a) Schematic diagram of damage contour construction; (b) Yin mold processing point constructed byalgorithm; (c) Yang mold processing point constructed by algorithm

Fig. 3. Schematic diagram of section principle

Fig. 4. Picture of the laser process equipment

Fig. 5. Physical picture of the processed sample

Fig. 6. Characterization of the multi-ladder joint

Fig. 7. Test results of adhesive joint strength

Fig. 8. Failure surface topography. (a) Mechanical processing; (b) Laser treatment

Fig. 9. Sample surface morphology after processing. (a) , (c) Sample surface morphology with milling treatment at different magnification; (b), (d) Sample surface morphology with laser treatment at different magnification