Search Results - "Tsvetkov, Yu. V."

Study of High-Speed Sintering of Fine-Grained Hard Alloys Based on Tungsten Carbide with Ultralow Cobalt Content: II. Hard Alloys WC–(0.3–1) wt % Co by Lantsev, E. A., Malekhonova, N. V., Chuvil’deev, V. N., Nokhrin, A. V., Tsvetkov, Yu. V., Blagoveshchenskiy, Yu. V., Boldin, M. S., Andreev, P. V., Smetanina, K. E., Isaeva, N. V.

“…The features of spark plasma sintering (SPS) of plasma-chemical nanopowders WC–(0.3, 0.6, 1) wt % Co were studied. The SPS process of ultralow-cobalt hard…”
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Study of High-Speed Sintering of Fine-Grained Hard Alloys Based on Tungsten Carbide with Ultralow Cobalt Content: III. Effect of C Content on Sintering Kinetics of the WC–Co Nanopowders by Lantsev, E. A., Malekhonova, N. V., Chuvil’deev, V. N., Nokhrin, A. V., Tsvetkov, Yu. V., Blagoveshchenskiy, Yu. V., Boldin, M. S., Isaeva, N. V., Andreev, P. V., Smetanina, K. E.

“…The features of high-speed spark plasma sintering (SPS) of plasma-chemical nanopowders WC‒(0.3, 0.6, 1) wt % Co with the addition of 0.3 and 0.5 wt % graphite…”
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Study of High-Speed Sintering of Fine-Grained Hard Alloys Based on Tungsten Carbide with Ultralow Cobalt Content: Part I. Pure Tungsten Carbide by Lantsev, E. A., Malekhonova, N. V., Chuvil’deev, V. N., Nokhrin, A. V., Tsvetkov, Yu. V., Blagoveshchenskiy, Yu. V., Boldin, M. S., Andreev, P. V., Smetanina, K. E., Isaeva, N. V.

“…The results of studies of the kinetics of high-speed spark plasma sintering (SPS) of plasma-chemical nanosized and industrial micron tungsten carbide powders…”
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Investigation of Aspects of High-Speed Sintering of Plasma-Chemical Nanopowders of Tungsten Carbide with Higher Content of Oxygen by Lantsev, E. A., Malekhonova, N. V., Tsvetkov, Yu. V., Blagoveshchensky, Yu. V., Chuvildeev, V. N., Nokhrin, A. V., Boldin, M. S., Andreev, P. V., Smetanina, K. E., Isaeva, N. V.

“…The special aspects of spark plasma sintering (SPS) of plasma-chemical nanopowders of tungsten carbide with higher oxygen content were investigated. It was…”
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Vapor Composition and Thermodynamic Characteristics of Gaseous Molecules of Alkali Metal Tungstates by Kazenas, E. K., Tsvetkov, Yu. V., Astakhova, G. K., Volchenkova, V. A., Andreeva, N. A., Ovchinnikova, O. A., Penkina, T. N.

“…We present the calculated and the experimental mass spectra of alkali metal tungstates within the temperature range of 1100–1500 K and determine the vapor…”
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Plasma Spheroidization of Micropowders of a Heat-Resistant Alloy Based on Nickel Monoaluminide by Tsvetkov, Yu. V., Samokhin, A. V., Alekseev, N. V., Fadeev, A. A., Sinaiskii, M. A., Levashov, E. A., Kaplanskii, Yu. Yu

“…Spheroidization of micropowders of a heat-resistant alloy based on nickel aluminide with a particle size of 20 to 45 μm was studied. The alloy was produced by…”
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Kinetics of Spark Plasma Sintering of WC–10% Co Ultrafine-Grained Hard Alloy by Lantsev, E. A., Chuvil’deev, V. N., Nokhrin, A. V., Boldin, M. S., Tsvetkov, Yu. V., Blagoveshchenskiy, Yu. V., Isaeva, N. V., Andreev, P. V., Smetanina, K. E.

“…The effect of the carbon content on the kinetics of spark plasma sintering of nanopowder and submicron powder of WC–10% Co compositions was studied. Free…”
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Thermodynamics of the Processes of Evaporation of Nitrides of Chemical Elements by Kazenas, E. K., Tsvetkov, Yu. V., Astakhova, G. K., Volchenkova, V. A., Andreeva, N. A., Ovchinnikova, O. A., Penkina, T. N.

“…It is shown that the molecular composition of the vapor–gas phase of many chemical compounds and their mixtures, including carbides, nitrides, and oxides, is…”
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Extended characteristics of dispersed composition for nanopowders of plasmachemical synthesis by Sinaiskii, M. A., Samokhin, A. V., Alekseev, N. V., Tsvetkov, Yu. V.

“…With the help of a complex of methods of disperse-structure analysis of nanopowders of plasmachemical synthesis, the function of particle-size distribution and…”
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Effect of the Conditions of Formation of W–C Nanopowders in a Plasma Jet on the Synthesis of Hexagonal Tungsten Carbide by Blagoveshchensky, Yu. V., Alexeev, N. V., Samokhin, A. V., Isaeva, N. V., Sinaysky, M. A., Tsvetkov, Yu. V.

“…The effects of the conditions of a raw material introduction as well as mixing of it with a high-temperature gas flow under the plasma chemical synthesis of…”
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Fabrication of high-alloy powders consisting of spherical particles from ultradispersed components by Samokhin, A. V., Fadeev, A. A., Sinayskiy, M. A., Alekseev, N. V., Tsvetkov, Yu. V., Arzhatkina, O. A.

“…It is shown that powders of a model high alloy consisting of spherical particles 25–50 μm in size can be synthesized from a starting ultradispersed powder,…”
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Synthesis of titanium nitride and carbonitride nanopowders in confined-jet flow plasma reactor by Samokhin, A. V., Kirpichev, D. E., Alekseev, N. V., Sinaisky, M. A., Tsvetkov, Yu. V.

“…The synthesis of titanium nitride and carbonitride nanopowders from titanium tetrachloride vapor in a stream of hydrogen–nitrogen plasma, generated by an arc…”
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Synthesis of Aluminum Oxynitride Nanopowders in a Plasma Reactor with a Confined Jet Flow by Samokhin, A. V., Astashov, A. G., Alekseev, N. V., Sinaysky, M. A., Tsvetkov, Yu. V.

“…Experimental studies on the synthesis of aluminum oxynitride nanopowders in a reactor with a confined plasma jet by the interaction of disperse aluminum with…”
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Thermodynamic analysis of the plasma production of ferroniobium from a loparite concentrate by Nikolaev, A. A., Kirpichev, D. E., Nikolaev, A. V., Tsvetkov, Yu. V.

“…The possibility of pyrometallurgical processing of a loparite concentrate at a temperature of 2000–4000 K and a pressure of 0.1 MPa is thermodynamically…”
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Composite coatings formed by plasma electrolytic oxidation by Minaev, A. N., Gnedenkov, S. V., Sinebryukhov, S. L., Mashtalyar, D. V., Sidorova, M. V., Tsvetkov, Yu. V., Samokhin, A. V.

“…The prospects of using organic and inorganic nanosized materials are shown in the process of the formation of surface multifunctional composite protective…”
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Thermodynamics of sodium molybdate evaporation by Kazenas, E. K., Tsvetkov, Yu. V., Astakhova, G. K., Volchenkova, V. A., Ovchinnikova, O. A.

“…High-temperature mass-spectrometry is used to study the evaporation of Na 2 MoO 4(l) at 1050–1300 K. Na 2 MoO 4(g) molecules are found to be present in the…”
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Oxidation of organic impurities in production aluminate solutions under the effect of the thermal plasma jet by Samokhin, A. V., Alekseev, N. V., Lainer, Yu. A., Tsvetkov, Yu. V.

“…A new approach to the removal of organic impurities from the technological aluminate solution of alumina production via processing the solution by a high-speed…”
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Development and study of a radiance measurement system based on a CCD array in the vacuum and near ultraviolet region by Anevsky, S. I., Volkov, B. S., Drobkov, I. V., Lashkov, D. N., Minaeva, O. A., Minaev, R. V., Senin, D. S., Tsvetkov, Yu. V.

“…We describe methods and instrumentation that we have developed for measuring the radiance distribution over the emitting region of plasma emitters in the…”
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Plasma metallurgy: current state, problems and prospects by Tsvetkov, Yu. V.

“…Abstract…”
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Morphological and chemical characteristics of iron obtained by liquid-phase plasma-arc reduction by Kirpichev, D. E., Nikolaev, A. A., Nikolaev, A. V., Tsvetkov, Yu. V.

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