Abstract
Solid lubricating coatings consisting of alternating layers of molybdenum and tungsten disulfide were obtained by the method of reactive pulsed laser deposition. The layers were deposited at temperatures of 400 and 500 °C, which caused the formation of a layered packing of atoms characteristic of the hexagonal 2H-phase. The layer thickness was about 10 nm, and the basal planes of the layered atomic packing were oriented predominantly parallel to the substrate surface over the entire thickness of the layers. The study of tribological properties was carried out by the method of sliding a ball over a disk in a nitrogen atmosphere with varying the load on the counter body from 5 to 9 N. The value of the friction coefficient depended on the load on the counter body. The lowest value of the coefficient of friction was 0.01, and it was found under the highest load for coatings obtained at 500 °C. A decrease in the coating deposition temperature had a negative effect on the antifriction properties of the coating.
Published Version
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