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Evaluation of Tribological Properties of Hard Coatings Obtained on Steel C45 by Electro-Spark Alloying

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dc.contributor.author KUKAREKO, Vladimir
dc.contributor.author AGAFII, Vasile
dc.contributor.author MIHAILOV, Valentin
dc.contributor.author GRIGORCHIC, Aleksandr
dc.contributor.author KAZAK, Natalia
dc.date.accessioned 2022-01-18T11:51:04Z
dc.date.available 2022-01-18T11:51:04Z
dc.date.issued 2019
dc.identifier.citation KUKAREKO, Vladimir, AGAFII, Vasile, MIHAILOV, Valentin et al. Evaluation of Tribological Properties of Hard Coatings Obtained on Steel C45 by Electro-Spark Alloying. In: Key Engineering Materials, 2019, V. 813, pp. 381-386. ISSN 10139826, 16629795. en_US
dc.identifier.issn 10139826
dc.identifier.issn 16629795
dc.identifier.uri https://doi.org/10.4028/www.scientific.net/KEM.813.381
dc.identifier.uri http://repository.utm.md/handle/5014/18803
dc.description.abstract It was shown that under dry contact conditions, under normal load of to 2 MPa, all coatings demonstrated a significant increase in wear resistance compared to that of the substrate. However, among them, the Mo coating showed the highest wear resistance: ~20 times higher than that of the uncoated steel. That was caused not only by the Mo high microhardness and the lowest initial roughness, but also by the structure of this coating. Meanwhile, the Ti + SiC samples displayed the highest microhardness among investigated coatings. A correlation was established between the microhardness of the coating and the friction coefficient: the larger the microhardness of the coating, the higher is the coefficient of friction. An X-ray analysis of the coatings obtained by ESA on steel with compositions (Ti + Al + C), (Ti + AlN) and (Ti + SiC) revealed phases of titanium carbide, titanium nitride, intermetallic compound AlFe3, and small amounts of aluminum nitride, silicon dioxide and titanium dioxide. This could explain the high microhardness (from 6.8 up to 13.8 GPa) of the obtained coatings. en_US
dc.language.iso en en_US
dc.publisher Trans Tech Publications Ltd en_US
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject roughness en_US
dc.subject frictions en_US
dc.subject coatings en_US
dc.subject wear en_US
dc.subject slloying en_US
dc.title Evaluation of Tribological Properties of Hard Coatings Obtained on Steel C45 by Electro-Spark Alloying en_US
dc.type Article en_US


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