Abstract
Computer modeling makes it possible to predict the adhesion properties of various materials and monolayers in the material at the atomic level. As a result of this approach, it is possible to diagnose the operational properties of the tool material according to the calculated values of the adhesion energy of the layers in the tool coating. The issues of studying the adhesive properties of monolayers successively deposited on a hard alloy VK8 are considered. The adhesive properties of Ti, TiN and (Ti, Cr, Al)N layers with each other and with WC92-Co8 hard alloy are investigated. The dependence of the adhesion energy of titanium to WC and Co surfaces depending on the thickness (from one to three atomic layers) of the deposited titanium layer has been studied. For four variants of the compound structure (Ti, Cr, Al)N the adhesion energy of this compound to the TiN surface is calculated. An approach to predicting rational coatings has been developed. It consists in the calculation (control) of the adhesion energy and the use of the adhesion energy value to diagnose a rational coating option for an instrumental hard alloy VK8.
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