Abstract
Problem Statement (Relevance): The paper shows the application of a functional-target analysis for the system “item – vacuum ion-plasma coating”. Using the vacuum ion-plasma coating technological process as an example, the authors developed a scheme for establishing system relationships in the system “item – vacuum ion-plasma coating”. The functions of every subsystem were analyzed and the relationships between them were established. Objectives: To develop the method for selecting quality properties of vacuum ion-plasma coatings by establishing the system relationships. Methods Applied: The system relationships in the system “item – vacuum ion-plasma coating” were determined using the functional-target analysis. It made it possible to make a decomposition of the whole technical system and to establish the relationships between the functions and the properties for every subsystem. Novelty: The novelty of the study lies in the analysis of a vacuum ion-plasma coating process as a complicated technological system, which allows us to establish the existing relationships between the coating properties formed during the technological process and the required functional characteristics of the coated item. Findings: The obtained results of this theoretical study are considered to follow the studies in the standardization of coating properties using functional relationships at different stages of the technical system “item – vacuum ion-plasma coating”. Practical Relevance: The proposed method allows us to establish system relationships between the functions of the coated item and its properties solving the problem of selecting a list of properties for their regulation in normative, design and technical documentation.
Keywords
Vacuum ion-plasma coating, system “item – vacuum ion-plasma coating”, property, functional-target analysis, regulation, normative documentation.
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