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Title The effects of Cr and Si additions and deposition conditions on the structure and properties of the (Zr-Ti-Nb)N coatings
Authors Pohrebniak, Oleksandr Dmytrovych  
Bahdasarian, Artem Anatoliiovych  
Kravchenko, Yaroslav Olehovych  
Beresnev, V.M.
Nyemchenko, U.S.
Ivashchenko, V.I.
Shaimardanov, ZH.K.
Plotnikov, S.V.
Maksakova, O.
ORCID http://orcid.org/0000-0002-9218-6492
http://orcid.org/0000-0001-5350-7153
http://orcid.org/0000-0003-0984-1298
Keywords Nitrides
Vacuum deposition
hardness
adhesion
First-principles bandstructure
Type Article
Date of Issue 2017
URI http://essuir.sumdu.edu.ua/handle/123456789/64245
Publisher Elsevier
License
Citation The effects of Cr and Si additions and deposition conditions on the structure and properties of the (Zr-Ti-Nb)N coatings [Text] / A.D. Pogrebnjak, A.A. Bagdasaryan, V.M. Beresnev [et al.] // Ceramics International. - 2017. - №43(1). - P. 771-782.
Abstract In this study, (Zr-Ti-Nb)N, (Zr-Ti-Cr-Nb)N and (Zr-Ti-Cr-Nb-Si)N nitride coatings were obtained using a well-developed vacuum arc deposition. The systematical investigations demonstrate that the chemical composition, microstructure, and properties of the coatings intimately rely on the deposition parameters (pressure of working gas and substrate bias). Effects of Cr and Si additions on microstructure and mechanical properties of the (Zr-Ti-Nb)N coatings have been investigated using scanning electron microscopy (SEM) equipped with energy dispersive spectrum (EDS), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), transmission electron microscope (TEM), hardness measurements and adhesion testing. First-principles band-structure calculations and Gibbs-Rosenbaum triangle representation have been used to investigate the elemental and phase compositions in nitride coatings. The multi-component (Zr-Ti-Cr-Nb-Si)N and (Zr-Ti-Nb)N coatings are found to be a simple face-centered cubic (FCC) solid solution. For the coatings without Si, the structure is mainly composed of TiN fcc phase and Cr2N trigonal modification. The hardness values were in the ranges (24–42 GPa). The (Zr-Ti-Nb)N, (Zr-Ti-Cr-Nb)N coatings provided the best adhesive strength in different conditions. The (Zr-Ti-Cr-Nb-Si)N coatings exhibited the worst adhesive strength, which may be attributed to the relative low hardness.
Appears in Collections: Наукові видання (ЕлІТ)

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