The paper examines the effect of operating parameters of new high-speed nickel-based composite bearing materials alloyed by molybdenum and tungsten and with additions of a solid lubricant, calcium fluoride CaF 2 , on the formation of dissipative secondary structures (friction films). It is shown that friction parameters substantially influence the nature of secondary structures responsible for antifriction properties. The wear mechanism of the materials is studied in different conditions of friction. Antiscoring films with smoothed microgeometry of contact surfaces are formed at 800−1000 rpm under a load of 6 MPa in air. In these friction conditions, the films ensure high wear resistance of the nickel-based bearing materials for rotary offset printing machines.
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