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[References: 6 tit.]

Coatings on the basis of the Cu-Mo-S system were deposited on the Cu substrate by the method of pulse magnetron sputtering of a special composite target. The wear resistance of the coatings with a copper friction pair was studied using the tribological tests in argon and the air environment. The coating properties were investigated using a variety of methods including SEM, TEM/EDS, and XRD. The fiber-globular structure of the coatings was evaluated. The investigation showed that the Cu-Mo-S coatings could decrease the wear rate of a copper friction pair in ~350 times in the argon atmosphere. A decrease of the friction coefficient of the copper friction pair from 0.59 to 0.27 (with a coating) was observed during the tribological tests in the air environment.