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Title Effects of Deuterium Implantation Dose on Hardness and Deuterium Desorption Temperature Range from High Entropy TiVZrNbHf and TiVZrNbHfN Coatings
Authors Kuprin, A.S.
Morozov, O.M.
Belous, V.A.
Firstov, S.A.
Gorban, V.F.
Ovcharenko, V.D.
Reshetnyak, E.N.
Tolmachova, G.N.
Zhurba, V.I.
Progolaieva, V.O.
ORCID
Keywords High-entropy composites
Deuterium
Hardness
Thermal desorption spectroscopy (TDS)
Implantation
Type Conference Papers
Date of Issue 2013
URI http://essuir.sumdu.edu.ua/handle/123456789/35363
Publisher Sumy State University
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Citation Effects of Deuterium Implantation Dose on Hardness and Deuterium Desorption Temperature Range from High Entropy TiVZrNbHf and TiVZrNbHfN Coatings [Текст] / A.S. Kuprin, O.M. Morozov, V.A. Belous et al. // Nanomaterials: Applications & Properties (NAP-2013) : 3-rd International conference, Alushta, the Crimea, Ukraine, September 16-21, 2013 / Edited by: A. Pogrebnjak. - Sumy : Sumy State University, 2013. - V.2, No2. - 02FNC20
Abstract High entropy TiVZrNbHf and TiVZrNbHfN coatings prepared by filtered vacuum arc plasma from a single equiatomic HEA cathode. Similarly were obtained titanium and titanium nitride coatings. The structure of coatings was investigated by X-ray analysis and the changes in nanohardness by nanoindentation method. The effusion of the implanted deuterium was studied by thermal desorption spectroscopy (TDS). It is shown that the structure of effusion spectrum is a function of deuterium dose. With increasing implantation dose deuterium desorption temperature range from coatings is expanding in the direction of lowering the temperature and the temperature of the peak maximum gas emission gradually shifts to lower temperatures. For nitride coatings deuterium desorption starts at about room temperature and the maximum rate of desorption at a temperature of ~500 K. When irradiation doses more than 5×1017 D/cm2 hardness of nitride coatings decreased by half. Hardness reduction of coatings is caused by occurrence hydride structural formations in coatings. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35363
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