Abstract
An attempt was made to determine the influence of the nature of the lubricating medium on the qualitative composition of wear products during long-term frictional interaction of a brass-steel friction pair in model media. Copper nanoparticles deposited on the steel surface in the form of a tribo-film are formed in the lubricant composition. Using quantum chemical calculations, it was shown that carboxylic acids form complexes with copper ions and clusters. The concentration of iron ions decreases during the transition from formic to caproic acid in the homologous series of monobasic carboxylic acids. It is shown that particles of wear products agglomerate in a lubricating medium with an increase in the time of frictional interaction of friction pairs.
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