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Title: Structural Features and Tribological Properties of Multilayer Coatings Based on Refractory Metals
Authors: Pohrebniak, Oleksandr Dmytrovych 
Kravchenko, Yaroslav Olehovych 
Bondar, Oleksandr Viacheslavovych 
Zhollybekov, B.
Kupchishin, A.I.
Keywords: multilayer coatings
thermal stability
coefficient of friction
corrosion resistance
Issue Year: 2018
Publisher: Pleiades Publishing, Ltd
Citation: Structural Features and Tribological Properties of Multilayer Coatings Based on Refractory Metals [Текст] / A.D. Pogrebnjak, Ya.O. Kravchenko, O.V. Bondar [et al.] // Protection of Metals and Physical Chemistry of Surfaces. — 2018. — Vol. 54. — № 2. — С. 298-316. — DOI: 10.1134/S2070205118020107.
Abstract: A comparative analysis of the structural features and tribological properties of multilayer coatings based on refractory metal compounds has been conducted in this review. Features of formation of the elec- tronic structure of the synthesized coatings have been discussed, and the effect of methods and conditions of deposition on changes in the physicomechanical characteristics of nanocrystalline structures based on tran- sition metal nitrides has been shown. Dependences of antifriction properties, corrosion resistance, and ther- mal stability on the modulation period (Λ) and the number of bilayers in the studied multilayer coatings have been determined. A decrease in the modulation period of individual layers in a coating positively affects the oxidation resistance of the coating, while an increase in the number of interfaces between the layers slows down the diffusion of oxygen atoms deep into the coating and, thereby, increases the protective properties of the multilayer system as a whole. The effect of the droplet component in cathodic-arc coatings on corrosion development mechanisms in corrosive media has been shown. A class of multifunctional multilayer coatings with an adaptive friction mechanism, which is characterized by a change in the properties and structure during tribological tests, has been discussed separately.
Type: Article
Appears in Collections:Наукові видання (ЕлІТ)


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