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Technological heredity of operational properties in the processes of manufacturing, operation and restoration of machine parts is proposed to describe by the graph reflecting the coefficients of transmission and mutual influence of physical, mechanical and geometric parameters. The technological control methods of the heredity of operational properties of parts are considered, including: measuring parameters of the most critical parts; determining technological heredity mechanisms on the basis of transfer coefficients and mutual influence of operational properties; analyzing technological barriers during intensive effects of energy flows, developing measures for controlling technological processes.

Abstract-A complex study has been performed of the effect of the technological parameters, which are responsible for the energy states of deposited particles, on the elemental, phase and structure composi tions, hardness, and tribological characteristics of formed vacuum-arc multilayer Mo 2 N/CrN systems with a nanometric thickness. The formation of two phase and structure types has been defined in combined nitride layers: γ Mo 2 N/CrN with the isostructural cubic crystalline lattices and γ Mo 2 N/CrN with non isostructural cubic and hexagonal lattices.

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