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Title Characterization of Ti-B-C-N Nanocomposite Coatings
Authors Ivashchenko, V.I.
Scrynskyy, P.L.
Kuzmichev, A.I.
Ivashchenko, L.A.
Khyzhun, O.Yu.
Timofejeva, I.I.
Butenko, O.O.
Granko, V.M.
Keywords Magnetron Sputtering
TiN/BCN Nanolayered Coatings
Nanohardness
Knoop Hardness
Mi-crostructure
Chemical Bonding
Type Conference Papers
Date of Issue 2013
URI http://essuir.sumdu.edu.ua/handle/123456789/35053
Publisher Sumy State University
License
Citation Characterization of Ti-B-C-N Nanocomposite Coatings [Текст]/ V.I. Ivashchenko, P.L. Scrynskyy, A.I. Kuzmichev et al. // Nanomaterials: Applications & Properties (NAP-2013) : 2-nd International conference, Alushta, the Crimea, September 17-22, 2012 / Edited by: A. Pogrebnjak. - Sumy : Sumy State University, 2013. - V.2, No1. - 01NTF02
Abstract Nanocomposite Ti-B-N-C coatings were deposited by magnetron sputtering of TiN and B4C targets in the argon-nitrogen atmosphere at different nitrogen flow rates (FN2). The structure, chemical bonding and mechanical properties were investigated. The results of the investigations of the nanocomposite, TiN and BCN coatings show that the Ti-B-C-N coatings consist of the TiNC nanocrystals (3.4 – 6.5 nm) embedded into the amorphous matrix that consists of amorphous boron nitrogen (a-BN) and amorphous carbon (a-C). The coatings contain a small admixture of titanium oxides that are aggregated at the grain boundaries. The coatings deposited at high nitrogen flow rates were textured. An introduction of nitrogen prompts the formation of the nanocrystallites of the TiN-TiC solid solutions and the a-BN amorphous tissue, which, in turn, causes the improvement of the mechanical properties of the Ti-B-C-N coatings. The best samples ex-hibited nanohardnes above 39 GPa. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35053
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