Zobrazeno 1 - 10 of 23 pro vyhledávání: '"O. Yu. Koval"'
5
Structure and Wear Resistance of FeNiCrBSiC–MeB2 Electrospark Coatings
Autor: O. D. Kostenko, I. S. Martsenyuk, Viacheslav Tarelnyk, M. O. Mikulina, T.V. Kurinna, O. Yu. Koval, O. P. Umanskyi, M. S. Storozhenko, Yu. V. Gubin
Publikováno v: Powder Metallurgy and Metal Ceramics. 59:330-341
The structurization of coatings produced by electrospark deposition (ESD) from the commercial selffluxing FeNiCrBSiC alloy and FeNiCrBSiC-based composites, such as FTB20 (FeNiCrBSiC–20 wt.% TiB2) and FCB20 (FeNiCrBSiC–20 wt.% CrB2), on a steel 45
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c8128829da7eec197ca55fb7a3d43b1a
https://doi.org/10.1007/s11106-020-00166-1
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6
Electrospark Deposition of Fenicrbsic–Meb2 Coatings on Steel
Autor: N.V. Tarelnyk, Yu. V. Gubin, O. Yu. Koval, T.V. Kurinna, O. P. Umanskyi, Viacheslav Tarelnyk, M. S. Storozhenko
Publikováno v: Powder Metallurgy and Metal Ceramics. 59:57-67
The effect of TiB2 and CrB2 additions to the commercial self-fluxing FeNiCrBSiC eutectic alloy on the structurization of electrospark coatings was examined. The mass transfer kinetics in the electrospark deposition of FTB20 (FeNiCrBSiC + 20% TiB2) an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c3cafac3a243be3123c04dd175eb1ea
https://doi.org/10.1007/s11106-020-00138-5
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7
Study of SiC buffer layer thickness influence on photovoltaic properties of n-GaN NWs/SiC/p-Si heterostructure
Autor: K. P. Kotlyar, K. Yu Shugurov, Alexey D. Bolshakov, Igor Shtrom, S. A. Kukushkin, Rodion R. Reznik, Alexey M. Mozharov, Ivan Mukhin, A.V. Osipov, G. E. Cirlin, O. Yu Koval, Vladimir V. Fedorov
Publikováno v: Materials Science in Semiconductor Processing. 90:20-25
In this paper we study the solar cell based on GaN nanowires array grown on Si substrate with buffer SiC layer via molecular beam epitaxy. Crystal quality of SiC layer and GaN nanowires was studied by means of Raman scattering technique and low tempe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf517e440226e9961e9b2e96fee3305a
https://doi.org/10.1016/j.mssp.2018.09.024
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8
The Influence of Deformation Modes on the Structure and Properties of Al–Mg–X Powder Composites. II. High-Alloyed Al–Mg Powder Materials
Autor: Ye. O. Potipaka, V. S. Voropaev, Yu. N. Podrezov, Ya. I. Yevich, O. Yu. Koval, K. A. Gogaev
Publikováno v: Powder Metallurgy and Metal Ceramics. 57:391-397
The influence of deformation modes on the structure and mechanical properties of powder materials produced from aluminum–magnesium alloys by ultrafast melt crystallization with high-pressure water atomization was studied. Extrusion of powder pellet
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e4bc0f1e8b319236cd624dba77c3692e
https://doi.org/10.1007/s11106-018-9996-7
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10
Quantitative analysis of metastable wurtzite phase into the self-catalyzed GaP NWs
Autor: O Yu Koval, V V Fedorov, I E Eliseev, A D Bolshakov, D A Kirilenko, R G Burkovsky, I S Mukhin
Publikováno v: Journal of Physics: Conference Series. 2086:012020
In this letter, we report the growth of the self-catalyzed GaP nanowires with a high concentration of wurtzite phase by molecular beam epitaxy. Formation of rotational twins and wurtzite polymorph in vertical nanowires was observed by the developed a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c11ce8af9ca68d614585b3912d8eb503
https://doi.org/10.1088/1742-6596/2086/1/012020
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