Abstract

The surface and cross-sectional structure, composition, and microhardness of composite coatings on ShKh15 and R6M5 steels have been studied under high-energy electrospark deposition with electrode materials based on zirconium boride and titanium (zirconium) nitride. It is shown that mass transfer of doping components into a metallic substrate is determined by wetting of the refractory component by iron. The strengthening/softening of the steel substrate is ascertained under high-energy electrospark deposition.

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