The purpose of this work is to research the tribological characteristics and peculiarities of subsurface structure of friction layers formation of the cast Fe-Cr-C (1.2% C, 17-19% Cr) alloys with the copper content lower (0.4%) or higher (14.0%) than its limit of solubility in the matrix of the alloy. The different contents of copper in cast alloys have a significant influence on the characteristics of the alloy structure in the original state and subsurface friction layers and thus influence the tribological characteristics of these alloys. The alloy with 14.0% copper has minimal wear rate under dry and boundary frictions at the pressures of 1 and 5 MPa. This is achieved through optimizing the parameters of the fine structure of the surface friction layers of alloys and through plating effect of copper transferring from specimen to the counterbody and preventing the friction pair from severe wear.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.