Zobrazeno 1 - 10
of 15
pro vyhledávání: '"É. V. Prilutskii"'
Publikováno v:
Powder Metallurgy and Metal Ceramics. 50:362-372
Transmission electron microscopy and microdiffraction are used to examine boron nitride produced by carbothermal synthesis (using saccharose as a carbon-containing component) in the temperature range 1000–1450°C in nitrogen. It is established that
Autor:
O. D. Shcherbina, I. L. Berezhinskii, N. D. Bega, É. V. Prilutskii, V. A. Kotenko, T. V. Dubovik, V. I. Subbotin, A. A. Rogozinskaya, L. M. Udovenko, O. N. Grigor'ev, V. V. Lychko
Publikováno v:
Powder Metallurgy and Metal Ceramics. 50:194-201
The phase constitution and properties of BNC composites (with SiC and SiO2 (quartz glass) additives) are studied as functions of hot pressing temperature. The developed BNC composites have higher mechanical strength and oxidation resistance than hot-
Autor:
A. A. Rogozinskaya, I. L. Berezhinskii, N. D. Bega, O. N. Grigor'ev, É. V. Prilutskii, N. I. Siman, V. V. Lychko, T. V. Dubovik, V. I. Subbotin, V. A. Kotenko, O. D. Shcherbina
Publikováno v:
Powder Metallurgy and Metal Ceramics. 48:569-577
The dependence of the phase composition and properties of a boron carbonitride (BCN) composite on hot-pressing temperature is studied. It is established that the composite forms with the synthesis of new reinforcing phases in reaction sintering under
Autor:
L. A. Sosnovskii, É. V. Prilutskii, A. A. Mamonova, G. G. L'vova, V. Ya. Kurovskii, Vitalii A. Maslyuk
Publikováno v:
Powder Metallurgy and Metal Ceramics. 48:38-41
The effect of the internal nitration of powder iron is examined by the introduction of nitrogen in the form of alloying additives such as chromium and manganese nitrides. It is established that the phase composition of these materials includes residu
Publikováno v:
Theoretical and Experimental Chemistry. 42:229-233
The catalytic activity and adsorption characteristics of the surface of catalysts in the form of carbon nanotubes produced on nickel and cobalt oxides with the Cu-Co-Fe oxide system as supported active phase were studied. At carbon nanotubes produced
Autor:
S. S. Zvezda, É. V. Prilutskii, O. V. Prilutskii, Yu. M. Solonin, E. A. Kats, Ya. V. Zaulichnyi
Publikováno v:
Powder Metallurgy and Metal Ceramics. 45:283-288
The electronic structure of multiwalled carbon nanotubes of different diameters fabricated with and without the use of catalysts is investigated by means of ultrasoft x-ray spectroscopy. Nanodimensional narrowing of the CK α bands of nanotubes with
Publikováno v:
Powder Metallurgy and Metal Ceramics. 45:14-19
The structure and phase composition of the products of combined carbothermal reduction of titanium and niobium (tantalum) oxides with an excess of carbon are studied. It is established that formation of solid solutions (Ti, Nb)C and (Ti, Ta)C occurs
Autor:
T. N. Kutran, V. A. Kotenko, N. D. Bega, O. N. Grigor'ev, É. V. Prilutskii, N. A. Dordienko, O. I. Zaporozhets, Boris A. Galanov, V. V. Koval'chuk
Publikováno v:
Powder Metallurgy and Metal Ceramics. 45:47-58
We have studied the properties of composites in the B4C-VB2-C system, obtained by reaction synthesis with hot pressing. We have established that the presence of free carbon and vanadium boride in the ceramic makes it possible to activate the sinterin
Publikováno v:
Powder Metallurgy and Metal Ceramics. 44:196-201
We have investigated how the composition, grain morphology, and method of preparing the starting mixture affect the processes that form the structure and phase composition of B4C - SiC composites during hot pressing. We found that, depending on the c
Publikováno v:
Powder Metallurgy and Metal Ceramics. 41:142-146
The W2B ― TiB2 ― B4C ceramics studied were hot-pressed from composite powders synthesized by thermal reduction of boron carbide. The resulting materials have a skeleton structure with a boron carbide binder when the B4C content is high and an inc