Fig. 1. Confocal surface morphologies of 316L stainless steel before and after remelting. (a) Before remelting; (b) after remelting

Fig. 2. Microstructures of 316L stainless steel before and after remelting. (a) Microstructure of 316L stainless steel before remelting; (b) cross-section microstructure of 316L stainless steel after remelting and its partially enlarged images

Fig. 3. Microhardness distribution curve

Fig. 4. Tensile properties and fracture morphology. (a) Stress-strain curves; (b) fracture morphology of the original specimen; (c) fracture morphology of laser remelting specimen

Fig. 5. Friction and wear experiment. (a) Wear depth; (b) wear morphology of original specimen; (c) wear morphology of laser remelting specimen

Fig. 6. XRD pattern of remelting layer