Physicochemical Tribomechanics of Antifriction Materials Operating in Heavy-Loaded Friction Pairs in Active Lubricating Media
Source abstract
Abstract
Abstract— Within the framework of physicochemical mechanics (the Rehbinder effect), the problems of the plasticizing and strengthening effect of the lubricating medium on the near-surface layers of metal tribomaterials are analyzed. The influence of modeling (petroleum jelly oil, glycerin, mineral oils, glycerin-based hydraulic fluids) and industrial (Buksol, Puma, and M-14V2) lubricant media that contain surfactants, is investigated on the main tribological (coefficient of friction, wear intensity), strength (yield strength, microhardness) and microstructural (broadening of X-ray lines, dislocation density and crystal lattice parameter) characteristics, as well as on the processes of diffusion redistribution of alloying elements in surface layers of tribomaterials, such as copper, brass, and bronze, when they are rubbed together with steel. The analysis of the conditions of formation and stable functioning of the regime of “non-wear” friction in these tribomaterials is carried out. It is shown that among industrial copper alloys, brass of the L90 type, aluminum bronzes BrA5 and BrA7, and tin bronzes BrSnP4-0.25 and BrSnP6.5-0.15 have the greatest wear resistance in surface-active lubricants. Examples of the implementation of the selective transfer mode in tribo-pairs used in railway and motor transport are given.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Lubricants and Their Additives · Tribology and Wear Analysis · Metal and Thin Film Mechanics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (15)
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