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Перегляд Problems of Atomic Science and Technology, 2023, № 2 за датою випуску

Перегляд Problems of Atomic Science and Technology, 2023, № 2 за датою випуску

Результати 1-20 з 27

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Control of the electrophysical characteristics of two-barrier silicon structures with a nanostructured base using gamma radiation

Madatov, R.S.; Abasov, F.P.; Asadov, F.G. (Problems of Atomic Science and Technology, 2023)

During this experimental study, samples of double-barrier structures were irradiated with various doses from a ⁶⁰Co source. The current-voltage characteristics of two-barrier structures from a silicon-based nanostructured ...
The pyrocarbon, gas phase densification of the catalytic carbon formations (CCFs), obtained on iron

Fursov, S.G.; Meltyukhov, M.V.; Lyashenko, S.A. (Problems of Atomic Science and Technology, 2023)

Investigations on gas-phase densification of CCFs, obtained on iron, using the radially driven pyrolysis zone and, at the same time, the temperature rise in the pyrolysis zone with the speed of the 1.25 °С/h, were carried ...
Thermographic monitoring of nuclear power plant’s spray ponds using infra-red data processing methods

Bazaleev, M.І.; Bryukhovetsky, V.V.; Donets, S.E.; Lytvynenko, V.V.; Melyakova, О.А.; Prokhorenko, E.M.; Startsev, О.А.; Shatov, V.V. (Problems of Atomic Science and Technology, 2023)

This paper outlines an approach to monitor nuclear power plant spray ponds using thermographic monitoring. The approach involves measuring temperatures during summer and winter periods to identify potentially dangerous or ...
The termal deformation of isotropic beam elements of technological equipment in the manufacturing of carbon-carbon composite materials in furnaces of direct heating

Meltyukhov, M.V.; Kravtsov, Y.V. (Problems of Atomic Science and Technology, 2023)

For the isotropic beam elements of the technological equipment (BETE), which are used in the production of carbon-carbon composite materials (CCCM) in direct heating furnaces, the analytical solution of the temperature ...
The use of CCCM for the creation of the high-temperature detectors of the water wapor

Gurin, I.; Ovcharenko, V.; Tokarieva, О.; Moshnik, O. (Problems of Atomic Science and Technology, 2023)

A technique for assessing the presence of water vapor in a mixture using high-temperature detectors made of carbon-carbon composite material (CCCM) is proposed. The change in the electrical resistance of CCCM in a mixture ...
Modernization of the analytical nuclear-physical complex sokil

Karpus, S.G.; Kuzmenko, V.V.; Levenets, V.V.; Lonin, O.Yu.; Omelnik, A.P.; Shchur, A.O.; Sukhostavets, V.I. (Problems of Atomic Science and Technology, 2023)

New modifications that have been used at the analytical nuclear-physics complex (ANPC) Sokil in recent years are described. They concerned an ion accelerator with an increase in the energy of accelerated ions and the ...
Modification of the surface of copper alloys with aluminum in the conditions of self-propagating high-temperature synthesis

Sereda, B.; Kryhliyak, I.; Sereda, D.; Kryhliyak, D. (Problems of Atomic Science and Technology, 2023)

The influence of the technological parameters of the SHS process (temperature, holding time and alloying of B, Cr, Ti) on the corrosion resistance of brass with a surface alite layer, which effectively resists β-radiation, ...
Study of nanomodification of nickel alloy GS3 with titanium carbide

Hlushkova, D.B.; Kalinin, A.V.; Kalinina, N.E.; Volchuk, V.M.; Saenko, V.A.; Efimenko, A.A. (Problems of Atomic Science and Technology, 2023)

The work deals with the fundamentals of nanomodification of the GS3 heat-resisting multicomponent nickel alloy, out of which blades for gas turbine engines are made. The selection of the modifier for the experimental alloy ...
Experimental study of transformation of carbonate system components cooling water of Rivne nuclear power plant during water treatment by liming

Kuznietsov, P.N.; Biedunkova, O.О.; Yaroshchuk, O.V. (Problems of Atomic Science and Technology, 2023)

The article presents research results on carbonate system components of cooling water, which has previously undergone water treatment by liming, depends on the cycle of concentration and absorption of carbon dioxide, which ...
Effect of hydrogenation on creep and structure evolution of nanocrystalline Zr1Nb alloy

Savchuk, E.S.; Sokolenko, V.I.; Karaseva, E.V.; Mats, A.V.; Frolov, V.A.; Pylypenko, M.M. (Problems of Atomic Science and Technology, 2023)

The regularities of creep, mechanical characteristics, and structure evolution of Zr1Nb nanocrystalline alloy obtained by intensive plastic deformation and hydrogenated from a gaseous medium are studied. It is shown that, ...
Research of special limits during heat treatment of materials in the two-phase region under supercritical temperature influence

Sereda, B.; Kryhliyak, I.; Sereda, D.; Voloh, V. (Problems of Atomic Science and Technology, 2023)

The results of the research on establishing the dependence of the coercive force (Нs) on special boundaries in a low-carbon alloy are given. Annealing at a temperature of 900 °С with a holding time of 1 to 3 h leads to an ...
Nano-mechanisms of connection in the solid phase of tungsten and tantalum in the manufacture of a neutron source target

Borts, B.V.; Vorobyov, I.A.; Zelinsky, A.Yu.; Karnaukhov, I.M.; Lopata, A.A.; Parkhomenko, A.A.; Patochkin, I.V.; Tkachenko, V.I. (Problems of Atomic Science and Technology, 2023)

Nano-mechanisms of solid-phase bonding of tungsten and tantalum, which are implemented in the manufacture of a neutron source target for the research nuclear facility (RNF) of NSC KIPT, are considered. This facility is a ...
The technology of extraction and enrichment of scandium from uranium-phosphorus-rare earth concentrate

Mukhachev, A.P.; Yelatontsev, D.O.; Kharitonova, O.A. (Problems of Atomic Science and Technology, 2023)

The paper presents the results of pilot tests of scandium extraction technology from uranium-rare-earth phosphorite to obtain high-purity scandium oxide Sc₂O₃. It is shown that scandium in phosphorites is accompanied by ...
The method for optimizing the iron content in the structural material Zr1%Nb for fuel element cladding of NPP nuclear reactors

Yefimov, O.V.; Pylypenko, M.M.; Lyubchyk, L.M.; Potanina, T.V.; Kravchenko, V.P.; Yesypenko, T.O.; Harkusha, T.A. (Problems of Atomic Science and Technology, 2023)

The mathematical method of optimizing the amount of the alloying element Fe in structural zirconium alloys Zr1%Nb of fuel elements cladding of nuclear reactor-cores of nuclear power plants on the basis of physical experiments ...
Physical model of W and Ti compound during hot vacuum rolling in the solid phase

Andrieieva, O.L.; Tkachenko, V.I. (Problems of Atomic Science and Technology, 2023)

The paper considers alternative methods for protecting metal surfaces from corrosion-erosion destruction (CED), based on galvanization or on the use of an oxide film. Their advantages and disadvantages are noted. For the ...
Empirical predicted residual life of the base metal of MCP of WWER-1000 reactors in operation

Gozhenko, S.V. (Problems of Atomic Science and Technology, 2023)

The comprehensive analysis of the results of research by direct methods of BM of MCP of the South-Ukraine NPP after 100,000 and 200,000 h of operation was carried out. In BM with a fine-grained initial structure, the first ...
Direct martensitic transformations of low-carbon steels

Belykh, D.G.; Skoromna, S.F.; Tkachenko, V.I. (Problems of Atomic Science and Technology, 2023)

The proposed model is based on the use of the principle of detailed equilibrium, which occurs during phase transitions of the crystal lattice. This theory complements the theory of Landau phase transitions in crystalline ...
Study of strength characteristics and radiation-protective properties of polystyrene tungsten composite materials

Prokhorenko, E.M.; Lytvynenko, V.V.; Zakharchenko, A.A.; Khazhmuradov, M.A.; Prokhorenko, T.G. (Problems of Atomic Science and Technology, 2023)

Samples of composite materials are made of polystyrene, which is reinforced with dispersed aluminum. The radiation protective additive was powdered tungsten or powdered steel. The tensile strength, for these samples of ...
Radiation-acoustic effects at diamond-like coating deposition from the flow of hydrocarbon ions and their influence on kinetic processes

Kalinichenko, O.I.; Strel’nitskij, V.E. (Problems of Atomic Science and Technology, 2023)

Based on the model of the nonlocal thermoelastic peak (NTP) the ion generalized to the case of the ion of polyatomic molecule, the acoustic effect of low-energy ion of a hydrocarbon molecule during plasma-ion deposition ...
Morphological characteristics of craters on the surface of AA1933 aluminum alloy irradiated by pulsed electron beam

Bryukhovetsky, V.V.; Lytvynenko, V.V.; Lonin, Yu.F.; Myla, D.E.; Ponomarev, A.G.; Uvarov, V.T. (Problems of Atomic Science and Technology, 2023)

Irradiation of an industrial aluminum alloy AA1933 with an intense pulsed electron beam with particle energy of 0.35 MeV, a beam current of 2.0 kA, a pulse duration of 5 μs, and a beam diameter of 3 cm results in the ...

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Перегляд Problems of Atomic Science and Technology, 2023, № 2 за датою випуску

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