Experimental Investigations on Erosion-Corrosion Characteristics of HVOF-Sprayed WC-10% Ni Coatings Deposited on Aluminum Alloy

Figure 15

Confocal microstructures of slurry eroded surfaces at different particle sizes: (a) Al6061 alloy (210 microns), (b) Al6061-WC + Ni coating (210 microns), (c) Al6061 alloy (625 microns) and (d) Al6061-WC + Ni coating (625 microns).

(a)

(b)

(c)

(d)