Abstract
Results of tribotests of copper-carbon films formed by combining plasma-enhanced chemical vacuum deposition of carbon from a mixture of reaction gases and the physical sputtering of a copper target yield basic regularities of their tribological behavior. The wear resistance of the composites is governed by the type of plasma-forming gas that influences their surface morphology and structure state. The films deposited from a mixture of 50% acetylene and 100% methane possess the best wear resistance. The composites can be used in electrical engineering as interrupting (sliding) contacts, in instrument making, and in machine building as antifriction, wear-resistant, and high-strength protective layers with high adhesion characteristics.
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