A brief analysis of the most common methods for producing multicomponent alloys, including high-entropy alloys (HES), is presented in terms of their use as an alternative to coatings made of traditional structural metal materials. Preliminary studies of the microstructure and phase composition of the coating obtained by plasma deposition of FeCoCrAlTiCuMo powder in the equiatomic ratio of components are presented . The results of the research showed the possibility of obtaining a multicomponent single-phase solid solution by plasma sputtering and indicated the feasibility of its further study.
The article proposes an approach to control the uniformity of wear of friction surfaces under conditions of non-uniform wear on the surface. The core of the approach is the regulation of the composition of the sprayed coating material with the addition of a strengthening additive, depending on the intensity of the wear effects. To improve the quality of the coating, a combined process of spraying the coating with its subsequent plasma reflow, as well as processing to remove residual stresses in the coating and final plasma strengthening is proposed.
The article presents the research results of the plasma jet multiple reflow effect over the multicomponent coating FeCoCrAlTiCuNiMo, obtained by plasma metallization in an open atmosphere, on its wear resistance under dry sliding friction. The research results indirectly confirm the influence of the coating entropy over the wear resistance increasing along of the reflow number growth.
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