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Перегляд Problems of Atomic Science and Technology, 2019, № 5 за назвою

Перегляд Problems of Atomic Science and Technology, 2019, № 5 за назвою

Результати 1-20 з 33

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A comparative study of the radiolysis of used transformer oil and oil containing 1,2,4-trichlorbenzene under the influence of gamma-radiation

Iskenderova, Z.I. (Вопросы атомной науки и техники, 2019)

A comparative study of the radiolysis of used transformer oil and oil containing 1,2,4-trichlorbenzene (TCB) under the influence of gamma-radiation was carried out. Dependence of concentration of H₂, H₂O₂, pH-indicator and ...
An external beam technique of PIXE for uranium determination in environmental objects

Kuzmenko, V.V.; Levenets, V.V.; Omelnik, O.P.; Rolik, I.L.; Shchur, A.O. (Вопросы атомной науки и техники, 2019)

The possibilities of the determination of the content of uranium in materials of the nuclear fuel cycle and environmental objects using the nuclear-physical methods of analysis based on registration of characteristic X-rays ...
Application of active thermography for defectoscopy of technological equipment on objects of the nuclear power plants

Bazaleev, N.I.; Lytvynenko, V.V. (Вопросы атомной науки и техники, 2019)

The methodical and physical bases of the use of active thermography as a high-performance non-destructive method of control and defectoscopy of materials during thermovision monitoring of technological equipment at NPP ...
Choice of basic construction parameters of steam generators for NPP of low power

Kravchenko, V.P.; Sereda, R.M.; Zhou Xiaolong; Visotskii, Yu.I.; Rybakov, А.Н. (Вопросы атомной науки и техники, 2019)

Designs and methods for calculating a steam generator (SG) for low power NPPs are considered. As a prototype adopted SG nuclear power plant type KLT-40C (RF). The general list of work in the design of SG is given. A ...
Combined calculation of radiation from large-sized ground RW storage facilities on the basis of Monte Carlo method

Rudychev, V.G.; Azarenkov, N.A.; Girka, I.O.; Rudychev, D.V.; Rudychev, Y.V. (Вопросы атомной науки и техники, 2019)

A technique to reduce the dose rates, produced by large-sized ground-based radiation sources with dozens of radiating elements of the same geometry arranged along the perimeter, is developed. The radiating elements represent ...
Comparative analysis of numerical methods used for thermal modeling of spent nuclear fuel dry storage systems

Alyokhina, S.; Matsevity, Y.; Dudkin, V.; Poskas, R.; Sirvydas, A.; Rackaitis, K.; Zujus, R. (Вопросы атомной науки и техники, 2019)

Management of spent nuclear fuel is a very important part in the whole cycle of nuclear energy generation. Usually “dry” storage technology in casks is selected for the interim storage of spent nuclear fuel for up to 50 ...
Comparative study of helium bubble formation in Cr-Fe-Ni-Mn high-entropy alloy and 18Cr10NiTi steel after irradiation and post-irradiation annealing

Kalchenko, А.S.; Karpov, S.A.; Kopanets, I.E.; Tikhonovsky, M.A.; Tolstolutskaya, G.D. (Вопросы атомной науки и техники, 2019)

High entropy alloys (HEAs) are considered for applications in nuclear reactors due to their promising mechanical properties, corrosion and radiation resistance. In order to understand the irradiation effects in HEAs and ...
Construction problems of volume protected by airtermination rod for the ukrainian nuclear power plant under standard EN 62305

Istomin, О.Ye.; Koliushko, D.G.; Kiprych, S.V.; Rudenko, S.S. (Вопросы атомной науки и техники, 2019)

Mathematical analysis of the rolling sphere method was performed to develop a model for constructing of volume protected by rod air-termination in accordance with EN 62305:2012 for the protection of nuclear power plants ...
Deposition of TiN-based coatings using vacuum arc plasma in increased negative substrate bias voltage

Kuprin, A.S.; Leonov, S.A.; Ovcharenko, V.D.; Reshetnyak, E.N.; Belous, V.A.; Vasilenko, R.L.; Tolmachova, G.N.; Kovalenko, V.I.; Klimenko, I.O. (Вопросы атомной науки и техники, 2019)

The paper presents the results of the study on the influence of a high substrate bias voltage from 300 up to 1300 V on the titanium nitride coating deposition under nitrogen pressure of 2 Pa. The deposition rate, phase and ...
Distribution of absorbed dose by the perimeter and the length of the polymeric protective sheath at radiacinous irradiation of the ship cable

Bezprozvannych, G.V.; Mirchuk, I.A. (Вопросы атомной науки и техники, 2019)

The research of the distribution of the absorbed dose along the perimeter and length of the polymer protective sheath on the basis of a halogen-free composition depending on the technological dose of radiation exposure of ...
Effect of chromium coatings on the mechanical properties of Zr1Nb fuel claddings in longitudinal and transverse directions

Belous, V.А.; Voyevodin, V.N.; Gozhenko, S.V.; Krainyuk, Y.А.; Kuprin, А.S.; Оvcharenko, V.D.; Savchenko, V.I.; Shramchenko, S.V. (Вопросы атомной науки и техники, 2019)

This study was aimed at investigating the chromium coating effect on the mechanical properties of Zr1Nb fuel claddings in the case of a tensile fracture in longitudinal and transverse directions at temperatures of 20 and ...
Electrical properties of gamma-modified composites copolymer of polyvinylidene fluoride with tetrafluoroethylene and silicon

Nuruyev, I.M. (Вопросы атомной науки и техники, 2019)

The concentration and temperature dependences of the electrical properties of the composites obtained on the basis of a copolymer of polyvinylidene fluoride with tetrafluoroethylene P(VDF–TFE) with silicon nano- and ...
Erosion of Co-Cr-W alloy and coating on its basis under the action of cavitation

Kovalenko, V.I.; Klimenko, A.A.; Martynenko, L.I.; Marinin, V.G. (Вопросы атомной науки и техники, 2019)

The average destruction rates (Vs) were measured under the action of cavitation on a pre-production model from the alloy of Co-Cr-W on chemical composition near to the stellite No.6, its initial components and the coating ...
Features of formation of crystallographic texture and properties in Ti-3Al-2.5V titanium alloy during tubes manufacture

Vakhrusheva, V.S.; Hruzin, N.V.; Malykhin, D.G. (Вопросы атомной науки и техники, 2019)

Texture formation processes at all technological stages of tube manufacture were considered. It has been established that at the stage of hot deformation and manufacture of TREX tubes, tangential and radial textures are ...
Leaching of uranium ores in the process of sodium sulphate electrolysis

Nefedov, V.G.; Sknar, Yu.E.; Kharytonova, O.A. (Вопросы атомной науки и техники, 2019)

When uranium is extracted from concentrates with high silicon content, acid leaching is usually used. The disadvantage of this method is the high consumption, high cost and corrosion activity of the reagents. Moreover, for ...
Numerical calculation of the dislocation basis loop bias in hexagonal crystal

Babich, A.V.; Ostapchuk, P.N. (Вопросы атомной науки и техники, 2019)

The diffusion fluxes of radiation point defects onto a circular base edge loop of zirconium in a toroidal reservoir are calculated numerically (by the finite difference method). Elastic interaction of point defects and ...
Plasma coating formation by the deposition of cathode material eroded through high-current pulsed discharge

Chabak, Yu.G.; Fedun, V.I.; Efremenko, V.G.; Pastukhova, T.V.; Efremenko, B.V. (Вопросы атомной науки и техники, 2019)

The paper analyzes the conditions for the formation of a coating obtained using an electrothermal axial plasma accelerator due to plasma transfer of cathode erosion products. It is shown that by using a cathode of low-melting ...
Processing of experimental data of the process of refining nuclear material Zr1%Nb by electron-beam melting by means of interval analysis methods

Yefimov, A.V.; Pylypenko, M.M.; Potanina, T.V.; Yesypenko, T.A.; Harkusha, T.A.; Stadnik, Yu.S. (Вопросы атомной науки и техники, 2019)

The possibilities of applying the methods and models of interval analysis, which take into account the uncertainties in the specification of data for Zr1%Nb alloys, to more accurately determine the relationship between the ...
Processing substandard materials of magnesium-thermal zirconium production

Pylypenko, M.M.; Yanko, T.B.; Stadnik, Yu.S.; Drobyshevska, A.O. (Вопросы атомной науки и техники, 2019)

This paper describes results of study processing of substandard materials and waste of magnesium-thermal production of spongy zirconium to determine the optimal methods of zirconium recycling. The optimal methods of ...
Prospects of application of tubes made of duplex steels of a new generation in the heat exchanging equipment of nuclear power plants

Dergach, T.A.; Sukhomlyn, G.D.; Panchenko, S.A.; Kalinina, N.E.; Balev, A.E.; Krasiuk, A.V.; Kalinin, V.T. (Вопросы атомной науки и техники, 2019)

Prospects of using tubes produced by Centravis Production Ukraine JSC of ferritic-austenitic (duplex) steels of a new generation according to the developed innovative technology in the heat exchanging equipment of nuclear ...

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Перегляд Problems of Atomic Science and Technology, 2019, № 5 за назвою

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Перегляд Problems of Atomic Science and Technology, 2019, № 5 за назвою

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