Search Results - "Koval’, A. Yu"

NUMERICAL ESTIMATES OF ELECTRODYNAMICS PROCESSES IN THE INDUCTOR SYSTEM WITH AN ATTRACTIVE SCREEN AND A FLAT RECTANGULAR SOLENOID by Chaplygin, E A, Barbashova, M V, A Yu Koval

“…Purpose. To carry out numerical estimates of currents and forces in the investigated inductor system with an attractive screen (ISAS) and determine the…”
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The Effect of Compacting Rolling on the Properties of Titanium Powder Mill Products by Gogaev, K. A., Voropaev, V. S., Podrezov, Yu. N., Yevych, Ya. I., Koval’, A. Yu

“…The effect of deformation stress on the consolidating of titanium powder strips obtained by symmetrical and asymmetrical rolling is analyzed. It is determined,…”
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Transformation of fine-grained graphite-like boron nitride induced by concentrated light energy by Sartinska, L.L., Frolov, A.A., Koval’, A.Yu, Danilenko, N.A., Timofeeva, I.I., Rud’, B.M.

“…Results on investigations of structure and phase transformations of fine-grained h-BN graphite-like powders induced by heating to concentrated light beam of…”
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Structural and phase transformations in the tribosynthesis area of copper-based self-lubricating composite material by Kostornov, A. G., Fushchich, O. I., Chevychelova, T. M., Koval’, A. Yu, Kostenko, A. D.

“…The paper examines the structural self-organization and adaptation of the surface layers of self-lubricating composite antifriction material (SCAM) IPM-304 to…”
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The Structure and Mechanical Properties of Ti/TiAl3 Microlayer Materials Produced by Rolling at Various Temperatures by Lugovskoi, Yu. F., Nazarenko, V. A., Zorin, V. A., Yevych, Ya. I., Koval, A. Yu, Spiridonov, S. A., Borovik, V. G.

“…Three Ti/TiAl 3 microlayer titanium materials, produced by the sintering and rolling of alternating titanium and aluminum ribbons of different thickness at…”
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Effect of focused solar power on the structure and phase composition of a copper-based material by Kayuk, V G, Epifantseva, T A, Koval', A Yu, Martyukhin, I D

“…The change in the content, structure, and microhardness at a depth of the scale layer, which forms on the copper-based material under focused solar radiation,…”
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Synthesis of BXNYCZ powder coating under concentrate light by Sartinska, L.L., Vorobets, V.S., Frolov, G.A., Kolbasov, G.Ya, Jastrebski, C., Koval', A.Yu, Timofeeva, I.I., Karpenko, S.V.

“…The aim of this study was to elucidate conditions that determine properties of BXNYCZ nanostructure powder coating. Produced in a xenon high-flux optical…”
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Influence of Ti, Mn, Fe, and Ni addition upon thermal stability and decomposition temperature of the MgH2 phase of alloys synthesized by reactive mechanical alloying by ERSHOVA, O. G, DOBROVOLSKY, V. D, SOLONIN, Yu. M, KHYZHUN, O. Yu, KOVAL, A. Yu

“…Influence of addition of some transition metals (TMs), mainly Ti, Mn, Fe and Ni, to magnesium upon thermal stability of the hydride phase MgH2 synthesized due…”
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Interaction Between Components of the Copper-Based Self-Lubricating Antifriction Composite at 900 and 950°C by Kostornov, A. G., Fushchich, O. I., Chevychelova, T. M., Karpets, M. V., Koval’, A. Yu

“…It is shown that a self-lubricating antifriction composite with microheterogeneous structure is synthesized during sintering of the Cu–Ni–P–MoS 2 powder in…”
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Microindentation and Macroindentation of Titanium Silicon Carbide Ti3SiC2 by Gorban’, Biktor F., Vinokurov, V. B., Grigor’ev, O. N., Demidik, Alexander N., Ivanova, Inna I., Koval’, A. Yu, Kotenko, V. A., Pechkovskii, Engel’s P., Firstov, Sergei A.

“…We have studied the behavior of titanium silicon carbide Ti^sub 3^SiC^sub 2^ in different structural states (one-phase and two-phase, compacted, porous) during…”
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Zirconium ceramics and its future prospects in Ukraine by VASIL'EV, A. D, AKIMOV, G. Ya, KOVAL', A. Yu

“…A simple technology has been developed for fabricating zirconia ceramics stabilised by yttrium and magnesium oxides. The process uses zirconium hydroxide,…”
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Variation of the phase composition and strength characteristics of a tungsten-free hard alloy in the early stage of oxidation by Drachinskii, A. S., Timofeeva, I. I., Rogozinskaya, A. A., Sereda, N. N., Belborodov, L. N., Koval’, A. Yu

“…The mechanical properties of a tungsten-free cemented carbide subjected to thermal oxidation in air have been found to be fairly dependent on the isothermal…”
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Phase radiometeoric apparatus for comparing time scales by Kashcheev, B. L., Koval', Yu. A., Kundyukov, S. G.

“…The design principles and advantages of a phase radiometeoric apparatus for comparing time scales are considered. The principal characteristics are presented…”
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Effect of warm pressing on the mechanical properties and structure of green compacts of heterogeneous copper-based powder by Epifantseva, T. A., Kayuk, V. G., Shtern, M. B., Martyukhin, I. D., Koval, A. Yu, Mikhailov, O. V.

“…The paper examines the warm pressing of copper-based powder mixtures with additions of lead, graphite, and tungsten. It is shown that the density increases by…”
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Structural changes in friction surfaces of plasma-sprayed coatings by Nazarenko, P. V., Polishchuk, I. E., Ostranitsa, A. E., Koval', A. Yu

“…The features surface morphology are considered for plasma-sprayed coatings used with various counterbodies under conditions of boundary friction. The…”
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The Structure and Mechanical Properties of Ti/TiAl.sub.3 Microlayer Materials Produced by Rolling at Various Temperatures by Lugovskoi, Yu. F, Nazarenko, V. A, Zorin, V. A, Yevych, Ya. I, Koval, A. Yu, Spiridonov, S. A, Borovik, V. G

“…Three Ti/TiAl.sub.3 microlayer titanium materials, produced by the sintering and rolling of alternating titanium and aluminum ribbons of different thickness at…”
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Hydrogen Sorption Properties, Thermal Stability and Kinetics of Hydrogen Desorption from MgH$_2$ Hydride Phase of a Mechanical Alloy of Magnesium with Ti and Y by Ershova, O. G., Dobrovolsky, V. D., Solonin, Yu. M., Koval, A. Yu

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PDF ENG by Chaplygin, E A, Barbashova, M V, A. Yu. Koval

“…Purpose.Tocarry out numerical estimates of currents and forces in the investigated inductor system with an attractive screen (ISAS) and determine the…”
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Mechanical and Fatigue Properties of Powder Titanium Strips, Obtained by Asymmetric Rolling by Gogaev, K. A., Voropaev, V. S., Podrezov, Yu. N., Lugovskoi, Yu. F., Nazarenko, V. A., Koval, A. Yu, Yevych, Ya. I.

“…The mechanical properties of titanium powder strips obtained by asymmetric rolling technique are investigated. It is found out that the use of asymmetric…”
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POSSIBLE REDUCTION OF IONOSPHERIC COMPONENTS, THE TIMING OF THE USE OF SIGNALS SBAS by Koval, Yu. A., Pryimak, V. Yu, Hussein, A. F.

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