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Перегляд Problems of Atomic Science and Technology, 2020, № 2 за назвою

Перегляд Problems of Atomic Science and Technology, 2020, № 2 за назвою

Результати 1-20 з 26

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Analysis of changes in the phase and structural state of an aluminum alloy 1933 surface layer, melted by a pulsed electron beam

Myla, D.E.; Bryukhovetsky, V.V.; Lytvynenko, V.V.; Poyda, V.P.; Poyda, A.V.; Klepikov, V.F.; Uvarov, V.T.; Lonin, Yu.F.; Ponomarev, A.G. (Вопросы атомной науки и техники, 2020)

The structural and phase changes in the surface layer of an aluminum alloy 1933 caused by the action of a relativistic pulsed electron beam are studied. The structural and phase state of this layer is determined by the ...
Behavior of the Ti-Zr-Ni thin film containing quasicrystalline and approximant phases under radiative-thermal action in transition modes

Malykhin, S.V.; Makhlai, V.A.; Surovitskiy, S.V.; Garkusha, I.E.; Herashchenko, S.S.; Kondratenko, V.V.; Kopylets, I.A.; Zubarev, E.N.; Borisova, S.S.; Fedchenko, A.V. (Вопросы атомной науки и техники, 2020)

X-ray diffraction and SEM microscopy were used to study the structural and phase changes in a thin film obtained by magnetron sputtering of a Ti52Zr30Ni18 target (at.%) on a steel substrate under the radiation-thermal ...
Comparative characteristics of mechanical and adsorption properties of activated charcoals applied for adsorbers of NPP air discharge systems

Lepin, I.V.; Sibileva, R.M.; Sokolenko, V.I.; Vinokurov, E.I.; Grigorenko, M.A. (Вопросы атомной науки и техники, 2020)

This paper presents the results of studies on the strength and adsorption characteristics of granular activated charcoals of the brand ISQ DON GW4, С40/4 EXTRA KJ, and Norit RKJ4. The ultimate strength of samples was ...
Comparative study of the effect of gamma-radiation on the structural and thermophysical properties of nitrile-butadiene rubber filled with different nanometal oxides

Khankishiyeva, R.F.; Mammadov, S.M.; Akhundzada, H.N.; Mammadov, J.S.; Azadaliyev, A.I.; Ismayilova, P.I.; Mammadova, G.A. (Вопросы атомной науки и техники, 2020)

In the present work, the structure and thermal properties of nanocomposites based on nanometal oxides (ZnO, Al₂O₃, ZrO₂) and aromatic disulphochloride benzene compounds in a butadiene nitrile rubber (NBR) matrix that are ...
Critical sizes of standing nuclear burning waves in systems with external control

Leleko, Yu.Ya.; Gann, V.V. (Вопросы атомной науки и техники, 2020)

The theory of standing waves of nuclear combustion in reactors having a flat, cylindrical or spherical shape of the core is developed. A spherical standing wave occurs when nuclear burning propagates radially from the ...
Deuterium trapping and sputtering of tungsten coatings exposed to low-energy deuterium plasma

Tolstolutskaya, G.D.; Kuprin, A.S.; Nikitin, A.V.; Kopanets, I.E.; Voyevodin, V.N.; Kolodiy, I.V.; Vasilenko, R.L.; Ilchenko, A.V. (Вопросы атомной науки и техники, 2020)

Processes of sputtering, surface modification and deuterium retention of tungsten coatings were studied under the influence of low-energy (500 eV) deuterium plasma with fluence (2·10²⁴D+/m²) at room temperature. The method ...
Effect of argon-ion irradiation on cavity formation and evolution in 18Cr10NiTi austenitic steel

Tolstolutskaya, G.D.; Karpov, S.A.; Kalchenko, A.S.; Kopanets, I.E.; Nikitin, A.V.; Voyevodin, V.N. (Вопросы атомной науки и техники, 2020)

The swelling behavior of 18Cr10NiTi austenitic stainless steel irradiated with energetic Ar-ions in the dose range of 40…105 displacements per atom (dpa) with simultaneously implanted argon to the levels of 0.08…6.3 at.% ...
Efficiency of various materials application for radiation shielding at transportation and storage of spent nuclear fuel by dry method

Rudychev, V.G.; Azarenkov, N.A.; Girka, I.O.; Rudychev, Y.V. (Вопросы атомной науки и техники, 2020)

A model of the transport container intended for transportation of spent nuclear fuel (SFN) is studied. The passage of γ-quanta from the major long-lived isotopes is examined. The radiation shields made of iron, lead and ...
Evolution of over-conductivity of YВа₂Сu₃О₇-δ single crystals under the exposure of irradiation by high-energy electrons

Azarenkov, N.A.; Voyevodin, V.N.; Vovk, R.V.; Vovk, N.R.; Khadzhai, G.Ya.; Kamchatnaya, S.N. (Вопросы атомной науки и техники, 2020)

The evolution of the excess conductivity of YВа₂Сu₃О₇-δ single crystals upon electron irradiation is investigated. It was shown that electron irradiation leads to a significant expansion of the temperature range for the ...
Experimental study on radioactive waste immobilization in low-temperature magnesium-potassium phosphate ceramic matrix

Sayenko, S.Yu.; Shkuropatenko, V.A.; Pylypenko, A.V.; Zykova, A.V.; Karsim, S.A.; Andrieieva, V.V.; Moshta, S.V. (Вопросы атомной науки и техники, 2020)

Results of the studies carried out in NSC KIPT on application of magnesium-potassium phosphate ceramic matrices for immobilization of cesium, clinoptilolite with a cesium and solidified simulators of highly-active waste ...
Forecasting of structural transformations in heat affected zone steel of 15Kh2NMFA at anti-corrosion cladding

Lobanov, L.M.; Kostin, V.А.; Makhnenko, O.V.; Zukov, V.V.; Kostenevich, E.S. (Вопросы атомной науки и техники, 2020)

Using mathematical modeling based on existing parametric regression equations the prediction of microstructure-phase transformations in heat affected zone( HAZ) metal of base material (steel 15Kh2NMFA) of WWER-1000 reactor ...
Influence of vacuum activated diffusion chroming on mechanical properties of the surface of steel 25X1MF

Rudenkyi, S.G.; Zmij, V.I.; Kartzev, N.F.; Korneev, A.A.; Kunchenko, A.V.; Kunchenko, V.V.; Kunchenko, Y.V.; Marinin, V.G.; Kovalenko, V.I.; Bortnytska, M.O.; Ryzhova, T.P.; Lashenko, I.A. (Вопросы атомной науки и техники, 2020)

In the work, the surface of samples made of 25X1MF steel was saturated with chromium. For this, the method of vacuum activated diffusion chromium plating was used. In this process, sodium chloride was used as an activator. ...
Ion-plasma deposition of thin quasicrystalline Al-Cu-Fe and Al-Cu-Co films

Ryabtsev, S.I.; Sukhova, O.V. (Вопросы атомной науки и техники, 2020)

Al-Cu-Fe and Al-Co-Cu thin films were firstly deposited on sodium chloride or glass-ceramic substrates by modernized method of three-electrode ion-plasma sputtering. The nominal compositions of the films were chosen in the ...
Management of radiation safety by optimizing the parameters of protective structures

Mamontov, O.V.; Malyk, B.O.; Tokarieva, О.V. (Вопросы атомной науки и техники, 2020)

The task of radiation safety management by the optimization of protective structures parameters has been considered. The techniques for calculating the attenuation coefficient of radiation of multilayer floor slabs, the ...
Methodology and results of thermal calculation of one-through steam generators for NPP of small power

Kravchenko, V.P.; Xiaolong Zhou (Вопросы атомной науки и техники, 2020)

Due to the invaluable interest in small-scale nuclear power plants around the world, it has been proposed to pay sufficient attention to the design of appropriate equipment, which can make Ukraine with its great potential ...
Modification of structure of the surface of steel (ХГС) as a result of influences of high-current electron beam

Prokhorenko, E.M.; Lytvynenko, V.V.; Melyakovа, O.А.; Lonin, Yu.F.; Ponomarev, A.G.; Uvarov, V.T.; Shul'gin, N.A.; Prokhorenko, T.G. (Вопросы атомной науки и техники, 2020)

The steel surface (ХГС) was irradiated with a high-current electron beam. A high-current electron beam was obtained in the TEMP-A accelerator. Steel samples were made from drum mill balls. The balls had varying degrees of ...
Multi-group modeling of protection against neutron and gamma radiation by materials based on titanium hydride

Yastrebinsky, R.N.; Karnaukhov, A.A. (Вопросы атомной науки и техники, 2020)

The paper provides a comparative calculation of the radiation protective efficiency of various composite materials based on titanium hydride using multi-group modeling methods using the ANISN program. The calculations ...
Nuclear zirconium – the basis of alloys with improved neutron-physical, radiation, and corrosion properties

Mukhachev, A.P.; Pylypenko, M.M.; Kharуtonova, O.A. (Вопросы атомной науки и техники, 2020)

The paper provides a review of industrial technologies for the production of nuclear zirconium. Their advantages and disadvantages have been shown, a comparative analysis of the quality of zirconium and hafnium salts has ...
Optical and colorimetrical characteristics of strained LiF crystals under X-ray irradiation

Petchenko, O.M.; Petchenko, G.О.; Boiko, S.М.; Bezugly, A.V. (Вопросы атомной науки и техники, 2020)

Here there were investigated the х-irradiation influence on the optical characteristics of LiF crystals and the colorimetric characteristics of optical radiation passing through crystals with different doses of irradiation. ...
Restoration of soils contaminated with radionuclides by phytoredomediation method

Udalov, I.V.; Peresadko, V.A.; Polevich, O.V.; Kononenko, A.V. (Вопросы атомной науки и техники, 2020)

The possibility of soil restoration by means of phytotechnology and artificial geochemical barriers (GB) from contamination by radionuclides (RN) and toxic elements (TE) is methodologically substantiated. For this purpose, ...

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Перегляд Problems of Atomic Science and Technology, 2020, № 2 за назвою

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Перегляд Problems of Atomic Science and Technology, 2020, № 2 за назвою

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