Structure and Properties of (Zr–Ti–Cr–Nb)N Multielement Superhard Coatings

Pohrebniak, Oleksandr Dmytrovych; Postolnyi, Bohdan Oleksandrovych; Kravchenko, Yaroslav Olehovych; Shipilenko, A.P.; Sobol’, O.V.; Beresnev, V.M.; Kuz’menko, A.P.

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Title	Structure and Properties of (Zr–Ti–Cr–Nb)N Multielement Superhard Coatings
Authors	Pohrebniak, Oleksandr Dmytrovych Postolnyi, Bohdan Oleksandrovych Kravchenko, Yaroslav Olehovych Shipilenko, A.P. Sobol’, O.V. Beresnev, V.M. Kuz’menko, A.P.
ORCID	http://orcid.org/0000-0002-9218-6492 http://orcid.org/0000-0003-0984-1298
Keywords	multielement coatings nitrides vacuum-arc evaporation phase and elemental compositions microhardness cohesion strength
Type	Article
Date of Issue	2015
URI	http://essuir.sumdu.edu.ua/handle/123456789/46101
Publisher	Allerton Press, Inc.
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Citation	Structure and Properties of (Zr–Ti–Cr–Nb)N Multielement Superhard Coatings [Текст] / A.D. Pogrebnjak, B.A. Postol’nyi, Yu.A. Kravchenko [and etc.] // Journal of Superhard Materials. — 2015. — Vol. 37, №2. — P. 101-111.
Abstract	Structure and properties of (Zr–Ti–Cr–Nb)N multicomponent nanostructured coatings fabricated by a vacuumarc deposition have been investigated. It has been found that the coatings thickness attained 6.2 μm, hardness and indentation load that is responsible for the stress exceeding cohesion strength of coatings were H = 43.7 GPa and Lc = 62.06 N, respectively. In coatings structures have been identified that consist of three interstitial phases having cubic, hexagonal, and tetragonal lattices. The nanocrystallites sizes were from 4 to 7.3 nm. The results of the SEM, TEM, EDS, and XRD analysis have been also considered.
Appears in Collections:	Наукові видання (ЕлІТ)