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The results of studying the characteristics of friction and wear of the developed detonation nano-component coatings of Fe–Ti–SiC that also contain MgC2, are presented. Due to the interrelation of thermal and mechanical fluctuations, magnesium carbide thermally decomposes and forms structurally free α‑graphite. This graphite creates a surface antifriction layer, which minimizes the contact parameters. In the study of the wear resistance of detonation coatings of nanocomponent powders, samples with coatings of the tungsten-containing VK15 hard alloy were tested for comparison using similar programs, as well as coatings sprayed with nichrome alloyed powder. Modern physical and chemical methods studied the qualitative and quantitative composition of the surface layers. The developed nano-component coatings of Fe–Ti–SiC–MgC2 showed high antifriction characteristics in the entire load-velocity range, simulating the operation of the friction unit in real conditions. It is shown that the means of controlling wear and ensuring high performance is the presence of both a thin film layer of graphite and the formation of fine secondary structures. This provides the modification of the friction surface and protects against unacceptable plastic deformation processes.
Babak et al. (Fri,) studied this question.
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