THE STRUCTURE EVOLUTION OF ION-PLASMA COATINGS UNDER SLIDING FRICTION

KOLUBAEV Alexander V., D. Sc. in Phys. and Math., Prof., Head of Laboratory of Surface Hardening Physics, Institute of Strength Physics and Materials Science of Siberian Branch of Russian Academy of Sciences, Tomsk, Russia, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

KOLUBAEV Evgeny A., D. Sc. in Eng., Head of Laboratory for Quality Control of Materials and Structures, Deputy Director for Development, Institute of Strength Physics and Materials Science of Siberian Branch of Russian Academy of Sciences, Tomsk, Russia; Institute of High-Tech Physics, National Research Tomsk Polytechnic University, Tomsk, Russia

BUROV Sergey V., Ph. D. in Eng., Senior Researcher, Institute of Engineering Science of Ural Branch of Russian Academy of Sciences, Ekaterinburg, Russia

RUBTSOV Valery E., Ph. D. in Phys. and Math., Senior Researcher, Institute of Strength Physics and Materials Science of Siberian Branch of Russian Academy of Sciences, Tomsk, Russia

SIZOVA Olga V., D. Sc. in Eng., Prof., Chief Researcher, Institute of Strength Physics and Materials Science of Siberian Branch of Russian Academy of Sciences, Tomsk, Russia

GONCHARENKO Igor M., Ph. D. in Eng., Senior Researcher, Institute of High Current Electronics of Siberian Branch of Russian Academy of Sciences, Tomsk, Russia

The regularities of wear and fracture of 40Cr steel, titanium and hard alloy specimens with hard coatings obtained by plasma-assisted sputtering arc were investigated. It is shown that ion-plasma coating deposition depends on the parameters of the coating deposition process, preliminary hardening of the substrate material and the composition of the cathodes for electric arc evaporator. Friction tests revealed a fundamentally different wear character of coatings obtained without and under negative offset voltage on the substrate. The kinetics of wear of coatings was investigated by the methods of acoustic emission and X-ray analysis.

ion-plasma coatings, sliding friction, wear, acoustic emission, X-ray analysis

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