Issue |
E3S Web Conf.
Volume 264, 2021
International Scientific Conference “Construction Mechanics, Hydraulics and Water Resources Engineering” (CONMECHYDRO - 2021)
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Article Number | 05023 | |
Number of page(s) | 7 | |
Section | Engineering Materials Science, Intelligent Transport Systems and Transport Logistics | |
DOI | https://doi.org/10.1051/e3sconf/202126405023 | |
Published online | 02 June 2021 |
Study of the composition and properties of vacuum coatings based on titanium carbide
Tashkent State Transport University, Tashkent, Uzbekistan
* Corresponding author: ravshansaid@mail.ru
Carbide cutting tools are used for machining of machine parts made of complex alloyed materials. Application of protective composite nanostructured coatings on carbide cutting tools allows increasing the service life of cutting tools several times. The coating on their base protects the cobalt binding of carbide alloys. The low thermal conductivity of the composite nanostructured titanium carbide coating means that the heat generated when cutting workpieces is mostly transferred to the chips so that the tool does not become overheated. This is important when machining difficult alloyed, hard-to-machine, ductile materials for which the temperature at the contact zone of the cutting edge and the machined material reaches up to 900°C. The adhesive interaction of the composite nanostructured coating with the substrate material is of no small importance in selecting the coating composition. From this point of view, carbide titanium coatings have good compatibility with carbide cutting tools. Along with this, the study of ion-plasma composite nanostructured coatings based on TiC carbides is relevant. The study results of the composition and properties of vacuum composite nanostructured coatings based on titanium carbides obtained by the ion-plasma method are presented. Studies of the chemical composition, the electronic and atomic structure of composite nanostructured coatings based on Ti carbides were carried out using the HREELS, XPS, and AES method and based on experimental studies of composite nanostructured TiC coatings, the p – T – x diagrams for TiC were refined.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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