Structure and the Physico-Mechanical Properties of the Ceramic Coatings Obtained by the Cumulative -Detonation Device

Prozorova, M.S.; Kolisnishenko, O.V.; Kovaleva, M.G.; Arseenko, M.Yu.; Tyurin, Yu.N.

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Title	Structure and the Physico-Mechanical Properties of the Ceramic Coatings Obtained by the Cumulative -Detonation Device
Authors	Prozorova, M.S. Kolisnishenko, O.V. Kovaleva, M.G. Arseenko, M.Yu. Tyurin, Yu.N.
ORCID
Keywords	Aluminum oxide Cumulative-detonation technology Microhardness Wear resistance
Type	Conference Papers
Date of Issue	2012
URI	http://essuir.sumdu.edu.ua/handle/123456789/35467
Publisher	Sumy State University
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Citation	Structure and the Physico-Mechanical Properties of the Ceramic Coatings Obtained by the Cumulative -Detonation Device / M. S. Prozorova, O. V. Kolisnishenko, M. G. Kovaleva et al. // Nanomaterials: Applications & Properties (NAP-2012) : 2-nd International conference, Alushta, the Crimea, September 17-22, 2012 / Edited by: A. Pogrebnjak. - Sumy : Sumy State University, 2012. - V. 1, No4. - 04FCNF05
Abstract	Dense, with good adhesion to the substrate, hard, wear-resistant coatings from the powder of Al2O3 were obtained on the surface of the steel (STE255) by using the cumulative-detonation device. The results of investigations of the structure and physico-mechanical properties of the coatings by using scanning, optical microscopy, X-ray phase analysis, microhardness and tribological tests are presented. It was found that optimization of plasma spraying to helps reduce the porosity of coatings of Al2O3 less than 1 % and to increase the hardness of them to 1250 HV0.3. The tribological investigations have shown that the coatings of Al2O3 significantly increase the wear resistance of the sample STE255 and provide a low ability to wear out the coating. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35467
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