Abstract
The dependences of the coefficients of friction, wear rates, and temperatures of the friction pair steel-polyurethane filled with powders of nonferrous metals on the friction path and load are studied. Polyurethane was filled with copper, tin bronze, zinc, and babbit powders. The tribological characteristics were investigated at different concentrations of the fillers in polyurethane and different particle sizes of the fillers. Secondary structures on the friction surfaces are examined and the relationship between the structure and composition of the secondary structures with the tribological characteristics is analyzed.
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