Modeling of stationary frictional heating of a coated bodyстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 11 ноября 2019 г.
Аннотация:A model of stationary friction heating of a coated body is proposed in this paper and a discrete contact for periodically located circular areas is considered. The elastic properties of materials are assumed to be temperature independent in the considered temperature range. The stress-strain state of the coating is considered to be known from the solution of the contact problem for a two-layer elastic base. Relations for calculating the temperature distribution in the surface layer and the base in the vicinity of a separate asperity taking into account the effect of neighboring asperities were obtained. As an example, we calculated the temperatures for a ceramic coating obtained by micro-arc oxidation and deposited on an aluminum alloy substrate. The results can be used to predict fracture upon frictional loading of coated bodies.