engleski

The selection and development of tribological coatings

The main objectives of this study are the strategy and methodology for selecting the optimal surface treatment for a given tribological application. The classification of the main methods of the coating processes and the surface modification is given and the scheme of the development of the operation technology of the surface treatment and coating deposition is proposed. The main initial data are: the structure of tribological system (TrS) ; the individual properties of the TrS parts ; the lubricant properties ; the method of lubrication of the TrS parts ; the properties of the surrounding environment ; the external influences on the TrS ; the technological limitations on the TrS parts treatment ; and the managerial and economic limitations. The selection of the surface technology method includes the following steps: the preliminary analysis of the TrS part interaction ; the development of models of friction and the wear process of the TrS parts ; the choice of rational values of the parameters of the surface layers of the TrS parts ; the choice of the rational composition and the structure parameters of the surface layers of the TrS parts ; the choice of a rational technological route and the methods of the surface treatment of the TrS parts ; the experimental examination of surface-strengthened materials and the TrS and the correction of the surface-treatment technology.

coatings ; friction pair solid surfaces contact ; surface engineering ; tribological system

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