Fig. 1. Microstructures and element distributions of SiCp/6005A composite. (a) Microstructure of SiCp/6005A; (b) SiC distributed in Al matrix; (c) element distributions

Fig. 2. Laser swing welding diagram and tensile specimen size of welded joint. (a) Laser swing welding platform; (b) laser swing mode and path; (c) tensile specimen size

Fig. 3. Weld formation of SiCp/6005A composite under different swing modes and parameters. (a) Swing mode; (b) swing frequency;

Fig. 4. Molten pool flow under different swing modes

Fig. 5. Weld cross section microstructures of SiCp/6005A composite under different swing modes and parameters. (a) Swing mode; (b) swing frequency; (c) swing amplitude

Fig. 6. High magnification of weld microstructures. (a) Swing mode; (b) swing frequency; (c) swing amplitude

Fig. 7. Element distribution, average size of Al₄C₃, and content of SiC in weld under different swing modes and parameters. (a) Element distribution; (b) average size of Al₄C₃; (c) content of SiC

Fig. 8. Mechanical properties of weld at room temperature under different swing modes and parameters. (a) Tensile curves under different swing modes; (b) tensile curves under different swing frequencies; (c) tensile curves under different swing amplitudes; (d) tensile strength under different swing modes; (e) tensile strength under different swing frequencies; (f) tensile strength underf different placement amplitudes

Fig. 9. Fracture morphologies of tensile specimens under different swing modes and parameters. (a) Swing mode; (b) swing frequency; (c) swing amplitude

Fig. 10. Surface morphologies of fracture position of tensile specimen under optimal swing parameters

Fig. 11. Microhardness values of welds under different swing modes and parameters. (a) Swing mode; (b) swing frequency; (c) swing amplitude