Fig. 1. Microscopic appearance of molybdenum powder

Fig. 2. Surface morphology of cladding layer under different energy densities. (a)(d) 3.33 J/mm²; (b)(e) 4.44 J/mm²; (c)(f) 5.56 J/mm²; (g)(j) 6.67 J/mm²; (h)(k) 7.78 J/mm²; (i)(l) 8.90 J/mm²

Fig. 3. Microstructure of specimen section under different energy densities

Fig. 4. Distribution of mass fraction of molybdenum at five locations under different energy densities

Fig. 5. XRD pattern of cladding layer surface under different energy densities

Fig. 6. Crack rate of cladding layer under different energy densities

Fig. 7. Hardness of cladding layers prepared under different energy densities

Fig. 8. Dry friction curves under different energy densities

Fig. 9. Wear loss and wear rate under different energy densities

Fig. 10. Wear surface morphologies of each specimen