Zobrazeno 1 - 10
of 114
pro vyhledávání: '"I. I. Timofeeva"'
Publikováno v:
Journal of Analytical Chemistry. 78:207-212
Autor:
I. I. Timofeeva, I. V. Uvarova, M. P. Savyak, O.B. Melnick, M.A. Vasil’kivska, V. I. Ivchenko
Publikováno v:
Powder Metallurgy and Metal Ceramics. 57:373-383
Two mechanisms of mechanochemical solid-phase reactions are observed when tantalum and boron powder mixtures are ground in the same conditions but at different contents of the starting components. The substitutional solid solution decomposes at 50 at
Publikováno v:
Powder Metallurgy and Metal Ceramics. 57:465-472
The structure, phase composition, and hardness of electrode materials produced by hot pressing of TiC–(Fe–9% Cr–1.5% Si–2% Al) alloys were examined. The binder amount in the alloys varied from 20 to 90 wt.%. The phase composition, hardness, a
Publikováno v:
Powder Metallurgy and Metal Ceramics. 57:1-8
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
Autor:
M. A. Vasil’kovskaya, Yu. S. Borisov, M. V. Kolomytsev, O.P. Masyuchok, A. L. Borisova, I. I. Timofeeva
Publikováno v:
Powder Metallurgy and Metal Ceramics. 56:305-315
The influence of air plasma spraying (parameters such as plasma gun power, spraying distance, plasma gas flow, anode diameter) of (Ti, Cr)C–32 wt.% Ni clad powder on the characteristics of resultant coatings (structure, microhardness, porosity, pha
Autor:
B. M. Rud, K. A. Meleshevich, E. Ya. Tel’nikov, I. I. Timofeeva, A. K. Marchuk, L. I. Fiyalka
Publikováno v:
Powder Metallurgy and Metal Ceramics. 56:185-190
An important scientific and technical problem on developing thick resistive granular films used in microelectronics and tool manufacturing is solved. Magnetoresistive Co-containing granular films are obtained by screen printing the pastes consisting
Publikováno v:
Powder Metallurgy and Metal Ceramics. 56:26-37
The pressure sintering of silicon carbide powder mixtures with 15, 30, and 50 wt.% aluminum prepared by grinding in a planetary mill is investigated. A mechanochemical synthesis of new Aland Si-based phases with Fe and O admixtures during grinding is
Publikováno v:
Surface and Coatings Technology. 300:35-41
Nb-Si-C films with varying silicon content were prepared using DC magnetron sputtering a target composed of elemental niobium, silicon and graphite. The films were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and h
Autor:
A. E. Terentiev, M. S. Yakovleva, K. N. Gal’tsov, V. L. Syrovatka, I. I. Timofeeva, A. D. Kostenko, A. N. Demidik, M. A. Vasil’kovskaya, V. A. Barabash, A. A. Bondarenko
Publikováno v:
Powder Metallurgy and Metal Ceramics. 55:236-240
The behavior of detonation and plasma coatings in conditions of dry friction against titanium alloy OT-4 and stainless steel 07Kh16N6 has been studied. The detonation coatings show significantly better tribological properties than the plasma coatings