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Title High temperature behavior of functional TiAlBSiN nanocomposite coatings
Authors Pshyk, A.V.
Coy, L.E.
Nowaczyk, G.
Kempiński, M.
Peplińska, B.
Beresnev, M.V.
Pohrebniak, Oleksandr Dmytrovych  
Jurga, S.
Keywords Amorphous coating
Nanocomposite
Nanoindentation
Flexible protective coating
Tribology
Type Article
Date of Issue 2016
URI http://essuir.sumdu.edu.ua/handle/123456789/46980
Publisher Elsevier
License
Citation High temperature behavior of functional TiAlBSiN nanocomposite coatings [Текст] / A.V. Pshyk, L.E. Coy,G. Nowaczyk [та ін.] // Surface & Coatings Technology 305 (2016) 49–61. — 2016. — №305. — С. 49-61.
Abstract This article reports on the thorough characterization of structural-phase transformation in amorphous TiAlBSiN coating after high temperature annealing at 900 °C in ambient air. The influence of annealing on the tribomechanical behavior of the coating at nano and micro scale was also examined. The research included multiple experimental techniques, i.e. AFM, SEM, TEM, HR-TEM, EDS, XPS and Raman spectroscopy. Experiments showed that the amorphous phase of the TiAlBSiN coating undergoes a structural transformation, evidenced in the changes of parameters such as topological and chemical short-range order after the post-deposition annealing at 900 °C in air. The observed structural transformation, leads to a phase separation with the formation of a three dimensional nc-TiAl3/a-SiBN(O) nanocomposite structure. The relative increase of hardness, reduced elastic modulus, H/Er ratio and H2 /E3 r ratio after high temperature treatment of TiAlBSiN coatings is also reported. The complex interdependency between chemistry, morphology and relative composition of the amorphous TiAlBSiN coating phase, during the high temperature treatment, with the respective change of the tribo-mechanical characteristics, are evidence of the improvement of the coating properties in response to the environmental conditions and high temperature. This work contributes particularly to the development and understanding of flexible nanocomposite protective coatings and their changes at high temperature of operation
Appears in Collections: Наукові видання (ЕлІТ)

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