Zobrazeno 1 - 10
of 70
pro vyhledávání: '"G A, Makarenko"'
Autor:
G. M. Makarenko
Publikováno v:
Printing and Publishing. 2:38-46
Autor:
V. F. Labunets, V. V. Zahrebelnyi, L. A. Krushinskaya, I. V. Uvarova, R. M. Mediukh, G. N. Makarenko, V. K. Mediukh, E. V. Korbut
Publikováno v:
Powder Metallurgy and Metal Ceramics. 57:215-220
The production of composite electrolytic coatings on a nickel substrate using binary titanium–chromium diboride obtained by mechanical synthesis was studied. The influence of heat treatment parameters on the phase composition and structure of the c
Autor:
G. N. Makarenko, I. V. Uvarova, I. I. Timofeeva, M. A. Vasylkivska, V. F. Labunets, D. P. Zyatkevich, R. M. Medukh, V. K. Medukh, L. A. Krushinska, V. E. Matsera
Publikováno v:
Powder Metallurgy and Metal Ceramics. 56:487-495
Nanosized composite powders with a composition of titanium diboride–silicides of group IV–VI transition metals are obtained in boride–silicide systems by mechanochemical synthesis for 5–30 min. The initiation effect of TiB2 on the formation o
Publikováno v:
Powder Metallurgy and Metal Ceramics. 54:402-409
Highly dispersed and nanodispersed composite powders based on Si 3 N 4 –TiN, Si 3 N 4 –CrN, BN–AlN, and BN–Si 3 N 4 non-metallic nitrides are produced by nitriding of precursors. The main criteria for selecting precursors for the synthesis of
Publikováno v:
Powder Metallurgy and Metal Ceramics. 54:253-258
The evolution of microstructural and phase transformations during nitriding of mechanically preactivated vanadium disilicide powder is investigated by X-ray diffraction, chemical analysis, and transmission electron microscopy. It is established that,
Autor:
V. E. Matsera, I. V. Uvarova, M. A. Vasil’kovskaya, I. I. Timofeeva, L. A. Krushinskaya, G. N. Makarenko
Publikováno v:
Powder Metallurgy and Metal Ceramics. 53:514-521
Fine powders of diborides of groups IV–VI transition metals (TiB2, HfB2, NbB2, TaB2, CrB2, Mo2B5, and W2B5) were produced by mechanochemical synthesis and low-temperature heat treatment of activated charges. The particle size of the powders was ≤
Publikováno v:
Bulletin of the Lebedev Physics Institute. 40:137-144
A self-consistent numerical model for the self-sustained high-current pulsed discharge is constructed based on the solution of the equations of the population of H2 electronic and vibrational states. The model accounts for electronic, ion-molecular,
Autor:
K. Yu. Zhizhin, Yu. N. Bubnov, N. T. Kuznetsov, Ya. Z. Voloshin, I. G. Belaya Makarenko, E. Yu. Matveev, A. V. Dolganov, G. E. Zelinskii
Publikováno v:
Russian Chemical Bulletin. 60:2518-2521
The nucleophilic substitution of the reactive chlorine atoms of the n-butylboron-capped hexachlorine-containing clathrochelate precursor with the thiol-terminated closo-decaborate (PPh4)2[B10H9OCH2CH2OCH2CH2SH] in the presence of triethylamine afford
Autor:
V. B. Fedorus, T. V. Dubovik, A. V. Kotko, L. A. Krushinskaya, G. N. Makarenko, M. G. Andreeva, I. V. Uvarova
Publikováno v:
Powder Metallurgy and Metal Ceramics. 49:670-674
The nitridation of an AlB2 precursor in a controlled nitrogen flow is examined with the aim of obtaining AlN–BN composite powders. It is shown that superfine powders with uniformly distributed AlN and BN phases and AlB12 admixture form over the tem
Autor:
A. V. Yakovlev, V. E. Matsera, G. N. Makarenko, V. B. Fedorus, D. P. Zyatkevich, L. A. Krushinskaya
Publikováno v:
Powder Metallurgy and Metal Ceramics. 47:157-162
The paper examines how the mechanical activation of an initial silicon-carbon powder mixture and the temperature of its subsequent treatment influence the specific surface and phase composition of the end products. It is established that the prelimin