Fig. 1. SEM image of CoCrMoW alloy powder

Fig. 2. Multi-layer sample and tensile sample size. (a) CoCrMoW alloy multi-layer sample; (b) tensile specimen size; (c) processed tensile specimens

Fig. 3. Microstructure of coatings at different powers. (a1)-(d1) Macro morphology of the coatings; (b1)-(b4) bottom part of the coatings; (c1)-(c4) middle part of the coatings; (d1)-(d4) top part of the coatings

Fig. 4. XRD patterns. (a) XRD patterns of coatings at different laser powers; (b) magnified view in the range of 42°-45.5°

Fig. 5. Microhardness of CoCrMoW alloy

Fig. 6. Microstructure of CoCrMoW alloy block. (a) Macro morphology; (b)-(d) enlarged views of the top, middle, and bottom of the block; (e) microhardness of the block

Fig. 7. Stress-strain curves of CoCrMoW alloy

Fig. 8. Tensile fracture morphology of CoCrMoW sample at room temperature. (a) Macro morphology of fracture; (b) internal defect; (c) cleavage plane; (d) smooth fracture plane