Wear properties of composite laser cladding on the basis of Ni with a 50% presence of WC particles on the dependence of laser beam power output and speed of cladding were investigated in this paper. Properties are compared with reference Ni based laser claddings without WC particles. Laser beam power output of 4.3 and 3.7 kW and cladding speed of 3, 5 and 7 mm/s were used for the preparation of test pieces. All types of prepared claddings were compact without visible internal defects. With increased cladding speed, the hardness of Ni matrix decreased. Wear resistance of Ni based laser claddings with WC particles were dependent on the speed of laser cladding. The presence of WC particles increased the wear resistance of Ni based laser claddings 5 fold.
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