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Перегляд Problems of Atomic Science and Technology, 2020, № 1 за датою випуску

Перегляд Problems of Atomic Science and Technology, 2020, № 1 за датою випуску

Результати 1-20 з 41

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Synthesis of hydrogen storage materials in a Ti-Zr-Ni system using the hydride cycle technology during dehydrogenation by an electron beam in a vacuum

Dmytrenko, O.E.; Dubinko, V.I.; Borysenko, V.M.; Irwin, K. (Вопросы атомной науки и техники, 2020)

The synthesis of intermetallic material was carried out by means of dehydrogenating annealing of a (TiH₂)₃₀Zr₄₅Ni₂₅ sample in vacuum by an electron beam. The properties of the obtained material were studied for establishing ...
Components of automated intellectual systems supporting decisions at the stage of operation and equipment diagnostics of nuclear power units

Yefimov, О.V.; Pylypenko, М.М.; Potanina, Т.V.; Yesypenko, Т.О.; Kavertsev, V.L.; Harkusha, Т.А. (Вопросы атомной науки и техники, 2020)

The results of studies of parameters, characteristics and performance of NPP units by mathematical modeling methods using computer–integrated technologies for their implementation, which allow to simulate many functional ...
Facility for hydrogenation and thermal testing of internally pressurized dummy fuel rods

Dolgiy, V.A.; Chunosov, V.A.; Kokosha, D.L.; Chernyayeva, Т.P.; Grytsyna, V.M.; Riedkina, G.P. (Вопросы атомной науки и техники, 2020)

A facility allowing to conduct experiments on dummy fuel rods up to 250 mm long, at temperatures up to 700 °C is presented. The designed facility is unique in that the conditions for the tests to be conducted on it most ...
Studies of the features of the sorption of an europium by natural and synthetic zeolites for using it in the nuclear energy

Levenets, V.V.; Lonin, A.Yu.; Omelnik, O.P.; Shchur, A.O. (Вопросы атомной науки и техники, 2020)

A technique of quantitative determination of europium by proton-induced X–ray emission (PIXE) using of 1.6 MeV energy and measurement of the characteristic europium Lα–shell X–rays is developed. The possibility of using ...
Current state of methods for low–dense constructional composite materials producing (overview)

Shcherbakova, E.P.; Prokhorova, A.D.; Karpenko, A.V.; Yanko, T.B. (Вопросы атомной науки и техники, 2020)

The analysis of existing methods for imparting a porous structure to structural composite materials is carried out. In particular, the introduction and subsequent removal of the filler, the addition of foaming agents or ...
Modification of the aluminum alloy by the radiation and mechanical treatment

Donets, S.E.; Lytvynenko, V.V.; Klepikov, V.F.; Lonin, Yu.F.; Ponomarev, A.G.; Selivanov, S.Ye.; Starovoytov, R.I.; Uvarov, V.T. (Вопросы атомной науки и техники, 2020)

The paper discusses the problem of increasing the performance properties of aluminum alloy D16 for possible more efficient use in the fields of transport engineering. A property modification tool is a high current relativistic ...
Research of the thermal desorption processes in oxide mixtures at laser effect

Katrechko, V.V.; Vinnikov, D.V.; Yuferov, V.B.; Ilichova, V.O.; Svichkar, A.S.; Buravilov, I.V.; Timofeev, V.D.; Bobrov, O.G. (Вопросы атомной науки и техники, 2020)

To investigate the physical-chemical processes occurring during the heating stage of spent nuclear fuel magneto plasma reprocessing a study of thermal desorption of oxides and oxide mixtures as SNF simulators under the ...
Zone for collecting the ions of a given mass range in the plasma filter of masses

Katrechko, V.V.; Yuferov, V.B.; Ilichova, V.O.; Svichkar, A.S.; Khizhnyak, S.N. (Вопросы атомной науки и техники, 2020)

The trajectories of motion for atomic and molecular ions of a given mass range (M = 232...277) in the plasma mass filter, which is currently being developed, are calculated. The influence of the initial conditions (energy, ...
The microplasma aluminum and titanium oxidation in condensed environments

Vinnikov, D.V.; Ozerov, A.N.; Yuferov, V.B.; Fomin, V.T. (Вопросы атомной науки и техники, 2020)

The plant intended for the microplasma oxidation of the materials whose oxides possess semiconductor properties has been developed. The coatings consisting of corundum Al²O³-α (hexagonal syngony) and the two transition ...
Concomitant extraction process of niobium at the titanium tetrachloride production

Sarsembekov, Т.К.; Yanko, Т.B.; Sidorenko, S.A.; Pylypenko, M.M. (Вопросы атомной науки и техники, 2020)

Development of the fundamentals of a technology for producing niobium by the concomitant extraction in the process of production of titanium tetrachloride from titanium raw materials. The paper provides data on the amount ...
Strengthening of the surface of steel (9XФМ) exposed to a high-current electron beam

Prokhorenko, E.M.; Lytvynenko, V.V.; Melyakovа, O.А.; Lonin, Yu.F.; Ponomarev, A.G.; Uvarov, V.T.; Shulgin, N.A.; Prokhorenko, T.G.; Starovoytov, R.I.; Morozov, A.I.; Artemev, S.R. (Вопросы атомной науки и техники, 2020)

9ХФМ steel was irradiated with a high-current electron beam. The high-current electron beam was obtained in the TEMP-A accelerator. The irradiation was performed for various samples of the material of a ball mill drum. ...
Analyses of structure phase stability of U-Mo target of the neutron source

Borts, B.V.; Laptev, I.N.; Parkhomenko, A.A.; Vanzha, A.F.; Vorobjev, I.A.; Marchenko, Yu.A. (Вопросы атомной науки и техники, 2020)

The paper presents analyses of structure phase stability of fuel materials by means of phase diagrams of martensite transformation method, proposed earlier for the system of “iron-carbon-vacancy”. It was shown that role ...
Investigation on corrosion properties of carbon-carbon composites

Gribanov, Yu.A.; Gurin, I.V.; GujdaGujda, V.V.; Bukolov, A.N.; Kolosenko, V.V. (Вопросы атомной науки и техники, 2020)

The corrosion resistance of carbon-carbon composite materials (C–C composites) was studied in a corrosive media of coolant NaF+ZrF₄ salt (a model heat-transfer) at 700 °С in the air flow. It has been shown that C–C composite ...
Influencing of thin protective coatings on natural frequencies of radial oscillations of claddings of fuel rods of nuclear reactors

Mazurenko, Yu.E.; Romashov, Yu.V.; Mamalis, A.G. (Вопросы атомной науки и техники, 2020)

The natural frequencies and the modes of the radial oscillations are computed by using the method of grids for the cylindrical claddings made with the thin protective coatings for the fuel rods of the nuclear reactors. It ...
Assessment of impacting the thin protective coatings on the stress–strain state of the cladding of fuel rods of nuclear reactors

Povolotskii, E.V.; Romashov, Yu.V.; Mamalis, A.G. (Вопросы атомной науки и техники, 2020)

It is proposed the approach for estimating the impact of thin protective coatings on the stress–strain state of the thick–walled claddings of cylindrical fuel rods considering internal and external pressures from fission ...
Improving the efficiency of the unit of the Zaporizhzhia NPP with a WWER–1000 reactor

Cheilytko, A.A.; Karpenko, A.V.; Ilin, S.V. (Вопросы атомной науки и техники, 2020)

Improving the efficiency of the unit of the Zaporizhzhia NPP with a WWER–1000 reactor, by reducing the water temperature at the inlet to the condenser. The work describes the description of the NPP and the nuclear power ...
V International scientific conference «High-purity materials: preparation, applications, properties»

Автор відсутній (Вопросы атомной науки и техники, 2020)
Intense plastic deformation of high-purity cast beryllium

Vasilev, A.A.; Stetsenko, S.P.; Vasilenko, R.L.; Malykhin, D.G.; Stoyev, P.I.; Khovrich, S.V.; Trembach, O.V.; Kovtun, K.V. (Вопросы атомной науки и техники, 2020)

The effect of intense plastic deformation on the mechanical properties, structure, and texture of high-purity cast beryllium was studied. For the first time, angular pressing of high-purity cast beryllium was carried out ...
Influence of mechanical-thermal treatment on the microstructure and current-carrying capacity of Nb-Ti-superconductor

Storozhilov, G.E.; Andrievskaya, N.F.; Tikhonovsky, M.A. (Вопросы атомной науки и техники, 2020)

A correlation between the modes of mechanical-thermal treatment, main microstructure parameters and the critical current density Jc in the superconducting alloy Nb-49 wt.% Ti was established. The studies were carried out ...
Application of interval analysis for improving reliability of estimation of hardness value spread for nuclear structural materials

Yefimov, A.V.; Potanina, Т.V. (Вопросы атомной науки и техники, 2020)

The applications of the interval and standard probabilistic approaches for verifying the reliability of the results of an experiment studying the mechanical properties of nuclear materials are compared. The presence of ...

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Перегляд Problems of Atomic Science and Technology, 2020, № 1 за датою випуску

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Перегляд Problems of Atomic Science and Technology, 2020, № 1 за датою випуску

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