Wear nucleation in vacuum ion-plasma coatings and methods of its assessment

Abstract

The paper discusses coatings of different composition and structure. The object of the study was the stage of nucleation wear of the coatings. Coatings up to 10–12 μm thick were obtained by ion-plasma deposition in a vacuum. The analytical part of the work is based on the theory of dislocations. This made it possible to create a computational model of the stage of nucleation of wear under conditions of cyclical impacts, which is problematically identified by instrumental methods. The comparison of calculated data with experimental data are given.

Effective Wear Resistance Parameters of Ion-Plasma Tribological Coatings

“…Therefore, increasing attention is being paid to methods for modifying surfaces that are most promising from the point of view of increasing their performance. Vacuum ion-plasma technology allows one to obtain coatings and thin films with a wide field of functional properties, with a wide variety of compositions and structural types, including nanostructured and nanocomposite ones [1][2][3][4][5]. However, the possibilities of their application in loaded friction units have been studied only selectively [6][7][8][9][10] and a systematic approach to assessing the applicability of coatings under these conditions has not been proposed.…”