Abstract
Composite coatings have been obtained by plasma electrolytic oxidation method and subsequent treatment with fluorine-containing compound: suspension of superdispersed polytetrafluoroethylene. A method of formation of the protective coating by dipping into the suspension of organofluorine compound with subsequent heat treatment has been developed. The surface morphology of samples, their electrochemical and tribological properties, as well as wettability have been studied. Formed composite coatings reduce the corrosion current density and wear more than two orders of magnitude in comparison with the base PEO-coating. Additionally, composite layers have hydrophobic properties: for polymer-containing coatings the value of contact angle attains to 143±2°.
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