Abstract

Surface friction temperatures and service life of the friction pairs of the shaft-reverse motion sleeve with the solid lubricant slurry coating based on the MoS2 with phenolic binders were evaluated for the given load-speed friction conditions in vacuum. Thermocorrelation dependence of the SLC service life of the type under consideration on the surface friction temperature at reverse friction in vacuum was determined. It is shown that the service life of the reverse sliding friction pairs with the solid lubricant coating based on the MoS2 with phenolic binder up to surface friction temperatures of less than 15°C in vacuum is higher than that of similar friction pairs of pure sliding. For surface friction temperatures of more than 15°C, the reverse sliding pairs’ service life was by 1.4–2.4 times less than that of similar sliding friction pairs. A sequence for calculating the service life of the considered friction pairs with SLC of reverse sliding in vacuum was developed.

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