E. Vardanyan, K. Ramazanov, R. Nagimov, A. Nazarov
{"title":"Mechanical Properties and Tribological Behavior of Multilayer Intermetallics Ti-Al-N/Ti-Al Coatings Deposited by Vacuum Arc Plasma","authors":"E. Vardanyan, K. Ramazanov, R. Nagimov, A. Nazarov","doi":"10.1109/EFRE47760.2020.9242151","DOIUrl":null,"url":null,"abstract":"In this work, multilayer coatings with alternating macro layers (layers formed during one gas change Ar or N2) TiAl / TiAlN were investigated. The study was divided into two stages. At the first step, the optimal ratio $S$ of the thickness of the nitride macro layer (hTi-Al-N) to the macro layer formed in argon (hTi-Al) was determined. After that, laboratory studies of the physicomechanical properties of coatings with different $S$ values ($S \\gg 1, S = 1, S \\ll 1$), and production tests of end mills with these coatings were carried out. According to the results of the tests determined the optimal value of $S$ providing the greatest value of tool life. The next step, to determine the thickness of the macrolayers (hTi-Al-N) and (hTi-Al) providing the greatest mechanical and functional properties of the developed coatings was studies","PeriodicalId":190249,"journal":{"name":"2020 7th International Congress on Energy Fluxes and Radiation Effects (EFRE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 7th International Congress on Energy Fluxes and Radiation Effects (EFRE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EFRE47760.2020.9242151","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
In this work, multilayer coatings with alternating macro layers (layers formed during one gas change Ar or N2) TiAl / TiAlN were investigated. The study was divided into two stages. At the first step, the optimal ratio $S$ of the thickness of the nitride macro layer (hTi-Al-N) to the macro layer formed in argon (hTi-Al) was determined. After that, laboratory studies of the physicomechanical properties of coatings with different $S$ values ($S \gg 1, S = 1, S \ll 1$), and production tests of end mills with these coatings were carried out. According to the results of the tests determined the optimal value of $S$ providing the greatest value of tool life. The next step, to determine the thickness of the macrolayers (hTi-Al-N) and (hTi-Al) providing the greatest mechanical and functional properties of the developed coatings was studies
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