Fig. 1. 15-PH alloy powder

Fig. 2. Experimental system of laser cladding

Fig. 3. Schematic of cross-sectional morphology and microhardness measuring points of cladding sample

Fig. 4. Physical image of 15-5PH single-track laser cladding

Fig. 5. Cross-sectional diagram and three-dimensional diagram of the cladding

Fig. 6. Influence of laser specific energy E_s on geometrical size and dilution rate of the cladding

Fig. 7. Mean of S/N response of dilution rate

Fig. 8. XRD phase of the coatings

Fig. 9. EDS image of particulate matter in the coatings

Fig. 10. EDS image of the coatings

Fig. 11. Microstructure of different areas of sample cross section. (a) Substrate; (b) heat affected zone; (c) top of the coatings; (d) middle of the coatings; (e) bottom of the coatings

Fig. 12. Microhardness distribution curve of coating cross section

Fig. 13. Relationship between average friction coefficient and time of the coatings of 15-5PH

Fig. 14. Friction and wear morphology of 15-5PH coatings