Formation of Superhard State of the TiZrHfNbTaYN Vacuum–Arc High-Entropy Coating

dc.contributor.authorBeresnev, V. M.en
dc.contributor.authorSobol, O. V.en
dc.contributor.authorAndreev, A. A.en
dc.contributor.authorGorban, V. F.en
dc.contributor.authorKlimenko, S. A.en
dc.contributor.authorLitovchenko, S. V.en
dc.contributor.authorKovteba, D. V.en
dc.contributor.authorMeilekhov, A. A.en
dc.contributor.authorPostelnyk, A. A.en
dc.contributor.authorNemchenko, U. S.en
dc.contributor.authorNovikov, V. Yu.en
dc.contributor.authorMaziilin, B. A.en
dc.date.accessioned2023-01-11T14:35:21Z
dc.date.available2023-01-11T14:35:21Z
dc.date.issued2018
dc.description.abstractComplex studies of the formation of the superhard state in the TiZrHfNbTaYN vacuum-arc high-entropy coating were carried out. Based on the approach of the structural surface engineering, the regularities of the formation of the triads composition–structure–physico-mechanical properties depending on the supplied potential displacement are established. It is shown that the increase of Ub at the formation of a coating leads to a decrease of the relative content of a light (Ti) and increase of a heavy (Ta, Hf) metal components, which is determined by radiationally stimulated processes in a near surface region at the deposition. The formation of the single-phase state (based on the fcc of metal lattice) in the range Ubfrom –50 to –250 V and revealed the formation of the preferred orientation of the crystallites with the axis [111], which is perpendicular to the growth plane. The increase of the perfection of the texture with the [111] axis with increasing Ub is accompanied with an increase of the coatings hardness, which makes it possible to achieve the superhard state (H = 40.2 GPa) at Ub = –250 V.en
dc.identifier.citationFormation of Superhard State of the TiZrHfNbTaYN Vacuum–Arc High-Entropy Coating / V. M. Beresnev [et al.] // Journal of Superhard Materials. – 2018. – Vol. 40, No. 2. – P. 102-109.en
dc.identifier.doidoi.org/10.3103/S1063457618020041
dc.identifier.orcidhttps://orcid.org/0000-0002-4497-4419
dc.identifier.orcidhttps://orcid.org/0000-0002-5290-7566
dc.identifier.urihttps://repository.kpi.kharkov.ua/handle/KhPI-Press/61108
dc.language.isoen
dc.publisherAllerton Press, Inc.en
dc.subjecthigh-entropy coatingen
dc.subjectdisplacement potentialen
dc.subjectcompositionen
dc.subjectstructureen
dc.subjectpropertiesen
dc.subjecttextureen
dc.subjectsuperhard stateen
dc.titleFormation of Superhard State of the TiZrHfNbTaYN Vacuum–Arc High-Entropy Coatingen
dc.typeArticleen

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