Search Results - "Karpets, M V"

Properties of Metal, Nitride, Oxide, and Carbide Coatings Produced from High-Entropy Alloys by Gorban, V. F., Andreev, A. A., Stolbovy, V. A., Firstov, S. A., Karpets, M. V., Danylenko, M. I.

“…The introduction of high-entropy alloys, notable for their increased hardness and thermal stability, gave impetus to the study of their properties in coatings…”
Get full text

Electronic structure of the high-temperature tetragonal Tl3PbBr5 phase by Denysyuk, N.M., Bekenev, V.L., Karpets, M.V., Parasyuk, O.V., Danylchuk, S.P., Khyzhun, O.Y.

“…[Display omitted] •Electronic structure of tetragonal Tl3PbBr5 is calculated by the FP-LAPW method.•The valence band is dominated by contributions of Br 4p…”
Get full text

Base Alloy Concept in the Development of High-Entropy Materials by Krapivka, M. O., Myslyvchenko, O. M., Karpets, M. V.

“…The requirements to be met by a high-entropy alloy to be used as a base one for the development of new high-entropy materials have been formulated. Four alloys…”
Get full text

Light Interconnects for Medium-Temperature (550–650°С) Solid-Oxide Fuel Cells by Ostash, O. P., Prikhna, T. O., Podhurska, V. Ya, Kuprin, O. S., Karpets, M. V., Sverdun, V. B., Vasyliv, B. D., Serbenyuk, T. B.

“…We study the heat resistance and electric conductivity of the specimens of Crofer 22 APU steel, which is traditionally used for the production of interconnects…”
Get full text

Properties and Applications of Iron Oxide Nanopowders Produced by Electroerosion Dispersion by Prikhna, T. O., Monastyrov, M. K., Büchner, B., Klimov, V. V., Karpets, M. V., Moshchil, V. E., Shaternik, A. V., Romaka, V. V., Bagliuk, G. A., Kochetov, G. M., Prysiazhna, O. V.

“…The magnetic characteristics of iron oxide nanopowder (Fe 3 O 4 base phase) produced by electroerosion dispersion and consolidated at high pressures (2 GPa)…”
Get full text

The Influence of the Composition and Particle Size of Starting Titanium Hydride Powders on the Consolidation of Titanium Under Sintering by Ivanova, I. I., Krylova, N. A., Demydyk, O. M., Barabash, V. A., Karpets, M. V.

“…The influence of the starting powder composition, grinding conditions, and sintering temperature on the compaction mechanism under sintering and the porosity…”
Get full text

Formation and Physicochemical Properties of High Entropy Oxide Based on Equiatomic Alloy CrFeCoNiMn by Gorban’, V. F., Andreev, A. A., Chikryzhov, A. M., Karpets, M. V., Krapivka, N. A., Dolomanov, A. V., Ostroverkh, A. A.

“…The physicomechanical and X-ray investigations of high entropy oxide coating obtained by the cathode sputtering of multicomponent alloy CrFeCoNiMn in plasma of…”
Get full text

Effect of Electron Density on Phase Composition of High-Entropy Equiatomic Alloys by Firstov, S. A., Gorban’, V. F., Krapivka, N. A., Karpets, M. V., Pechkovskii, É. P.

“…A series of high-entropy equiatomic alloys have been analyzed to determine the main factors that influence the formation of various solid solutions and…”
Get full text

The Phase Composition and Mechanical Properties of Vacuum Coatings Produced from Equiatomic CrFeCoNiMn Alloy by Gorban, V. F., Andreev, A. A., Chikryzhov, A. M., Karpets, M. V., Krapivka, N. A., Kovteba, D. V., Ostroverkh, A. A., Kanzir, A. V., Samelyuk, A. V.

“…Mechanical experiments and X-ray diffraction studies of high-entropy vacuum coatings produced by vacuum arc evaporation and sputtering in a compressed…”
Get full text

The Effect of Composition on the Formation of a BCC Approximant in Ti–Cr–Al–Si–O Alloys by Firstov, S.A., Gorban, V. F., Karpets, M. V., Krapivka, M. O., Rokytska, O. A., Samelyuk, A. V.

“…The microstructure, phase composition, and mechanical properties of Ti–Cr–Al–Si–O alloys in ascast state and after annealing at 800°C have been studied. The…”
Get full text

The Role of Stoichiometry in Contact Interaction of Zirconia with Metal Melts by Durov, A. V., Karpets, M. V., Sydorenko, T. V., Kostyuk, B. D., Naidich, Yu. V.

“…As a transition metal compound, zirconia can lose oxygen with the formation of nonstoichiometric phases. The stoichiometry affects the properties of material,…”
Get full text

High-Temperature Phase Transformations in Multicomponent Fecocrnival Alloy by Karpets, M. V., Makarenko, O. S., Gorban’, V. F., Krapivka, M. O., Rokitska, O. A., Makarenko, S. Yu

“…The phase transformations proceeding in as-cast high-entropy FeCoCrNiVAl alloy are studied using high-temperature in situ X-ray diffraction in a helium…”
Get full text

Morphological, structural and adsorption features of oxide composites with silica and titania matrices by Gun’ko, V.M., Bogatyrev, V.M., Borysenko, M.V., Galaburda, M.V., Sulim, I.Y., Petrus, L.V., Korduban, O.M., Polshin, E.V., Zaulychnyy, Ya.V., Karpets, M.V., Foya, O.O., Myronyuk, I.F., Chelyadyn, V.L., Dzhura, U.Ya, Leboda, R., Skubiszewska-Zięba, J., Blitz, J.P.

“…Morphological, structural, electronic, and adsorption characteristics of complex oxides such as fumed silica/alumina and silica/titania, fumed silica with…”
Get full text

Trapped Fields of Hot-Pressed MgB2 for Applications in Liquid Hydrogen by Prikhna, T., Eisterer, M., Buchner, B., Kluge, R., Sokolovsky, V., Moshchil, V. E., Bodenseher, A., Filzmoser, J., Lindackers, D., Ponomaryov, S. S., Kapets, M. V., Werfel, F. N., Flogel-Delor, U., Vakaliuk, A., Sverdun, V. B.

“…The development of hydrogen energy and, in particular, high-performance submersible liquid hydrogen (LH) pumps requires superconducting bearings which can trap…”
Get full text

High-Temperature Oxidation of High-Entropy Alcrfeconimnx Alloys by Rokytska, O. A., Karpets, M. V., Yakubiv, M. I., Krapivka, M. O., Samelyuk, A. V., Naumenko, M. P.

“…The evolution of phase composition and thermal oxidation behavior of high-entropy AlCrFeCoNiMn x alloys ( x = 0.5 and 1) during long-term oxidation at 900°C…”
Get full text

Electrodynamic Properties of AlN–C and AlN–C–Mo Composites Produced by Pressureless Sintering by Serbeniuk, T. B., Prikhna, T. O., Zagorodnii, V. V., Sverdun, V. B., Oliynyk, V. V., Karpets, M. V., Moshchil, V. E., Ponomaryov, S. S.

“…The study is devoted to the electrodynamic properties of composite materials based on AlN–5 wt % C (carbon black) or AlN–5 wt % C (diamond powder) and 5%…”
Get full text

Effect of B3Si on the Structure and Properties of B4C Ceramics by Mazur, P. V., Grigoriev, O. M., Melakh, L. M., Kozak, I. V., Karpets, M. V., Vedel, D. V.

“…Dense composite ceramics based on B 4 C with an addition of 10 to 50 wt % of B 3 Si were obtained by hot pressing. An increased amount of boron silicide…”
Get full text

Effect of Varying Graphite Concentration on Electrodynamic Properties of AlN-Based Composite Materials by Serbeniuk, T. B., Prikhna, T. O., Sverdun, V. B., Oliynyk, V. V., Grygoruk, V. I., Zagorodnii, V. V., Karpets, M. V., Ponomaryov, S. S., Marchenko, A. A., Polikarpova, L. O.

“…The electrodynamic properties of new composite materials, produced by free sintering based on AlN with the addition of 1–5 wt % of diamond powder, were…”
Get full text

Phase Composition, Structure, and Mechanical Properties of Niobium-Doped [gamma]-TiAl Materials Produced by Powder Hydride Technology by Ivanova, I. I, Podrezov, Yu. M, Klymenko, V. M, Karpets, M. V, Danilenko, V. I, Barabash, V. A, Krylova, N. A

“…The effect of niobium on the structure, phase composition, and mechanical properties of [gamma] -TiAl alloys were studied. The [gamma]-TiAl alloys were doped…”
Get full text

Phase Composition, Structure, and Mechanical Properties of Niobium-Doped γ-TiAl Materials Produced by Powder Hydride Technology by Ivanova, I. I., Podrezov, Yu. M., Klymenko, V. M., Karpets, M. V., Danilenko, V. I., Barabash, V. A., Krylova, N. A.

“…The effect of niobium on the structure, phase composition, and mechanical properties of γ -TiAl alloys were studied. The γ-TiAl alloys were doped with niobium…”
Get full text