Search Results - "Onufriev, S V"

Thermodynamic Properties of Ruthenium and Osmium by Onufriev, S. V.

“…The temperature dependences of the thermal expansion coefficients, bulk moduli, and specific heat C V of ruthenium and osmium are calculated in the temperature…”
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Thermophysical properties for hafnium carbide (HfC) versus temperature from 2000 to 5000 K (experiment) by Savvatimskiy, A. I., Onufriev, S. V., Valyano, G. E., Muboyadzhyan, S. A.

“…Hafnium carbide HfC (at%: 42%C; 49%Hf; 7%O) was investigated under rapid heating by a current pulse, in a time of 5–8 μs. The temperature was measured by…”
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Electrical Resistance of Liquid Carbon (up to 9000 K) and Liquid Gadolinium (up to 6000 K) at Elevated Pressure and High Temperatures by Onufriev, S. V., Savvatimskiy, A. I.

“…Experiments are carried out on rapid heating by an electric current pulse of plates for anisotropic graphite and gadolinium foil clamped in the same way:…”
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Measuring the Temperature of Substances upon Fast Heating with a Current Pulse by Onufriev, S. V.

“…Features of measuring the temperature of conducting materials (metals, carbide, graphite) with a brightness pyrometer upon heating with a microsecond pulse of…”
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Resistivity of Refractory Carbides (ZrC, HfC, and TaC + HfC) in the Solid and Liquid States by Savvatimskii, A. I., Onufriev, S. V.

“…The resistivity of hafnium carbide in the temperature range of 2000–5000 K has been measured via current-pulse heating (for several microseconds). Data on the…”
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Measuring the Specific Heat of Conducting Substances in Conditions of Microsecond Heating with a Current Pulse by Onufriev, S. V., Savvatimskiy, A. I.

“…A technique for measuring the specific heat of conducting substances (metals, zirconium carbide and nitride, and graphite) in conditions of pulsed heating with…”
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Method and apparatus for studying high-temperature properties of conductive materials in the interests of nuclear power engineering by Savvatimskiy, A. I., Onufriev, S. V.

“…Physical processes during a rapid (microsecond) heating of metals, carbon, and their compounds by a single pulse of electric current are discussed. Effects…”
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Specific Heat of Liquid Iron from the Melting Point to the Boiling Point by Savvatimskiy, A. I., Onufriev, S. V.

“…The results of an experiment with pulse current heating of high purity iron are presented: temperature dependences of the specific energy input and specific…”
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Thermophysical Properties of High-entropy Carbide (HfTaTiNbZr)C at Temperatures of 2500–5500 K by Savvatimskiy, A. I., Onufriev, S. V., Sedegov, A. S., Yudin, S. N., Moskovskikh, D. O.

“…Experimental thermophysical data for high-entropy carbide (HfTaTiNbZr)C are presented for the first time at high temperatures (2500–5500 K). A fast (10 μs)…”
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Electrical Resistance of the Most Refractory Carbide Ta0.8Hf0.2C in the Solid and Liquid States (2000–5000 K) by Savvatimskiy, A. I., Onufriev, S. V.

“…Carbide Ta 0.8 Hf 0.2 C in the form of a thin magnetron sputtering layer (~1 μm) was studied under rapid heating (5 μs) by an electric current pulse. The…”
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Peculiarities of high-temperature properties of HAPG graphite within the melting region by Onufriev, S. V., Savvatimskiy, A. I.

“…By means of pulse current heating (3–5 μs), specimens of a new highly oriented pyrolytic graphite (the highly annealing pyrolytic graphite, HAPG) within the…”
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Electrical Resistivity of Liquid Gadolinium (with Carbon Content of 29 at %) at Temperatures of 2000–4250 K by Savvatimsky, A. I., Onufriev, S. V., Valyano, G. E., Kireeva, A. N., Patrikeev, Yu. B.

“…The results of an experimental study of the electrical resistivity of liquid gadolinium at temperatures from 2000 to 4250 K at elevated pressure are presented…”
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Estimation of zirconium, hafnium, and tungsten critical parameters by Onufriev, S. V.

“…On the basis of similarity of thermal expansion of liquid metals and data on the temperature dependence of density of zirconium, hafnium, and tungsten,…”
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Pulsed Heating of Carbides by Savvatimskiy, A. I., Onufriev, S. V., Muboyajan, S. A., Tsygankov, P. A.

“…Experimental studies of carbides are briefly reviewed. The high-temperature properties of carbides used in nuclear power and aerospace engineering are…”
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Thermophysical properties of multicomponent nickel-chromium alloy VSDP-3 upon melting and in the liquid phase by Savvatimskiy, A. I., Onufriev, S. V., Muboyadzhyan, S. A., Seredkin, N. N., Konyukhov, S. A.

“…The study of the high-temperature properties of a complex composition (Ni–Cr–Al–Re–Hf–Y) alloy was performed under the rapid heating of the foil by a single…”
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Measurement of the thermal properties of zirconium and tantalum carbides at high temperatures (up to and above the melting point) by Onufriev, S. V., Savvatimskii, A. I., Yanchuk, V. I.

“…Equipment and results of an investigation of the resistivity of zirconium and tantalum carbides in the solid and liquid states as a function of the specific…”
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Thermophysical properties of the most refractory carbide Ta0.8Hf0.2C under high temperatures (2000–5000 K) by Savvatimskiy, A.I., Onufriev, S.V., Muboyadzhyan, S.A.

“…We studied the carbide Ta0.81Hf0.19C0.94 in the form of a thin deposited layer (1 μm) under rapid heating (5 μs) by electric current pulse. We obtain the…”
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Thermomechanical Stability of a Zirconia-Based Refractory Material by Mineev, V N, Funtikov, A I, Akopov, F A, Akopyan, A A, Barykin, B M, Bel'maz, N S, Golovin, M V, Onufriev, S V, Traktuev, O M, Chernyshov, G P, Vlasov, A S

“…Results for ZrO^sub 2^-based refractory materials tested for contact with molten iron, thermal cycling, and single-time thermal impact in an electric furnace…”
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Thermophysical properties for hafnium carbide by Savvatimskiy, A. I, Onufriev, S. V, Valyano, G. E, Muboyadzhyan, S. A

“…Hafnium carbide HfC (at%: 42%C; 49%Hf; 7%O) was investigated under rapid heating by a current pulse, in a time of 5-8 [mu]s. The temperature was measured by…”
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Thermophysical properties of tantalum carbide (TaC) within 2000–5500 K temperature range by Savvatimskiy, A.I., Onufriev, S.V., Valyano, G.V., Nepapushev, A.A., Moskovskikh, D.O.

“…Investigation of the tantalum carbide physical properties at temperatures ranging from 2000 to 5500 K during rapid current pulse heating were carried out. The…”
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