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Перегляд Problems of Atomic Science and Technology, 2022, № 2 за назвою

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2022, № 2 за назвою

Сортувати за: Порядок: Результатів:

  • Burnup and radiation embrittlement of the U-Mo neutron source target 
    Borts, B.V.; Gann, V.V.; Zelinsky, A.Yu.; Parkhomenko, A.A.; Vanzha, A.F.; Marchenko, Yu.A.; Patochkin, I.V. (Вопросы атомной науки и техники, 2022)
    The burnup of uranium target plates of the NSC KIPT neutron source was studied. An analysis of experimental work on the effect of neutron irradiation on the strength and plastic properties of uranium and U-Mo alloys under ...
  • CT study of products from non-metallic composites reinforced by carbon fibers 
    Levenets, V.V.; Gurin, I.V.; Ovchinnikova, M.A.; Gurina, Ye.V. (Вопросы атомной науки и техники, 2022)
    Computerized tomography is used to study products from non-metallic composites reinforced by carbon fibers. It is demonstrated that samples do not rotate during the analysis process and can have diameter not exceeding the ...
  • Diffusion evolution of a pore in bounded particle in a hydrogen atmosphere 
    Kopp, M.I.; Ostapchuk, P.N.; Yanovsky, V.V. (Вопросы атомной науки и техники, 2022)
    The problem of the diffusion evolution of a pore filled with molecular hydrogen in a spherical granule in a hydrogen medium is solved. The initial position of the pore is displaced relative to the center of the granule. A ...
  • Effect of irradiation and deuterium behavior in Li-based tritium breeding ceramics 
    Karpov, S.; Ruzhytskyi, V.; Tolstolutska, G.; Rostova, H. (Вопросы атомной науки и техники, 2022)
    The behavior of implanted deuterium in advanced lithium orthosilicate (Li₄SiO₄) pellets with addition of lithium metatitanate (Li₂TiO₃), and in reference Li₄SiO₄ pellets, has been investigated. Thermal desorption (TD) ...
  • Effect of irradiation and thermo-induced processes on reactor in vessel elements during long-term operation 
    Breslavsky, D.; Tatarinova, O.; Kalchenko, O.; Tolstolutska, G. (Вопросы атомной науки и техники, 2022)
    A method for determining the effect of inhomogeneous temperature distribution, irradiation damage, irradiation swelling, irradiation creep of the material on the long-term strength of reactor in vessel internals and their ...
  • Effect of TiN inclusions and vibration loads on damage of heat exchange pipes of PGV-1000 steam generators 
    Mitrofanov, A.S. (Вопросы атомной науки и техники, 2022)
    Operational damages of heat exchange tubes (HET) in steam generators of WWER-1000 power units were studied by means of metallography and scanning electron microscopy. The crack initiation and growth mechanism was found to ...
  • Experimental installation for the study of heat transfer in helium environment during dry storage of spent nuclear fuel 
    Yatsenko, M.V.; Korolyov, A.V. (Вопросы атомной науки и техники, 2022)
    The duration and methods of intermediate storage of spent nuclear fuel (SNF) are the subject of constant debate due to economic, licensing and social problems. In this article, the authors present a description of the ...
  • Improving the quality condition of the structure of welded joints made of rotor steel 
    Dmytryk, V.V.; Skulsky, V.Yu.; Kasyanenko, I.V.; Vavilov, O.V.; Kantor, O.G. (Вопросы атомной науки и техники, 2022)
    The solution to the problem of increasing the reliability and service life of the welded joint of the rotor involved obtaining its original structure with improved quality characteristics. Obtaining was achieved by improving ...
  • Increasing the radiation safety of nuclear power plants using the method of controlling the tightness of fuel elements 
    Mamontov, О.; Nevliudov, I.; Stytsenko, T.; Belikov, A.; Tokarieva, О. (Вопросы атомной науки и техники, 2022)
    The problem of monitoring the tightness of fuel elements at the stage of their manufacture to improve the radiation safety of nuclear power plants is considered. A vibration method is proposed for non-destructive testing ...
  • Iodine sorption capacity of carbon fiber cloth materials and granular activated carbons 
    Gurin, I.V.; Sokolenko, V.I.; Vinokurov, E.I.; Sibileva, R.M.; Grigorova, T.G.; Grigorenko, M.A.; Kravtsov, Ya.V.; Kudin, D.V. (Вопросы атомной науки и техники, 2022)
    The sorption capacity for iodine vapors of samples of carbon fiber cloth materials 31-3, 31-6, 35-1, 35-2, and KIPT 16-00 obtained at NSC KIPT, carbon fiber cloth materials of the Saut and Busofit brands and active granular ...
  • Microstructure and property modifications in surface layers of a AA6111 aluminum alloy induced by high-current pulsed relativistic electron beam 
    Myla, D.E.; Bryukhovetsky, V.V.; Lytvynenko, V.V.; Petrushenko, S.I.; Nevgasimov, O.O.; Lonin, Yu.F.; Ponomarev, A.G.; Uvarov, V.T. (Вопросы атомной науки и техники, 2022)
    The processing of the AA6111-T4 aluminum alloy by the high-current relativistic electron beams affects the forming of the surface layer with a modified structure and phase state. The depth of the modified surface layer ...
  • Optimization of bremsstrahlung characteristics for irradiating thick objects 
    Rudychev, V.G.; Azarenkov, M.O.; Girka, I.O.; Rudychev, Y.V. (Вопросы атомной науки и техники, 2022)
    The characteristics of bremsstrahlung (BS) irradiated at different angles from a three-layer converter made of Ta, water, and Fe, the electron energy is 7.5 MeV, was investigated. It is shown that Ta thickness increasing ...
  • Physical and chemical foundations of the technology for obtaining uranium oxides 
    Mukhachev, A.P.; Yelatontsev, D.O.; Kharitonova, O.A. (Вопросы атомной науки и техники, 2022)
    The article presents the results of industrial testing of processes for obtaining high-purity uranium compounds, including extraction, concentration, and purification of uranium from a mixture of nitric and phosphoric ...
  • Radiation hardness of polysiloxane-based scintillators 
    Zhmurin, P.М.; Yelisieiev, D.A.; Alekseev, V.D.; Yelisieieva, O.V.; Нurkalenko, Yu.О.; Popov, V.Ph. (Вопросы атомной науки и техники, 2022)
    Polysiloxane-based scintillators with different contant of aromatic chromophore groups have been obtained. 2,5-diphenyloxazole and its alkyl derivative were used as activators. The optical and scintillation properties of ...
  • Risk-informed method for predicting the operation life extension period of active safety systems at nuclear power plants 
    Skalozubov, V.I.; Vierinov, A.M.; Kosenko, S.I.; Alali, M.; Kochnyeva, V.Yu. (Вопросы атомной науки и техники, 2022)
    An original method has been developed for predicting the operation life extension period of thermal mechanical equipment of safety systems based on the assessment of the residual resource by the number of thermohydrodynamic ...
  • Second-order phase transitions in crystalline media under the temperature effects 
    Borts, B.V.; Skoromnaya, S.F.; Tkachenko, V.I. (Вопросы атомной науки и техники, 2022)
    Various approaches to describe phase transitions in crystalline media are considered: Landau phenomenological approach of second-order phase transitions as well as Kolmogorov’s, Avrami’s and Christian’s theories of ...
  • Structure and mechanical properties of the refractory multicomponent alloys of the Ta-Ti-V-Zr-Al system 
    Levenets, A.; Tikhonovsky, M.; Velikodnyi, O.; Rostova, G.; Klimenko, I.; Tolstolutska, G. (Вопросы атомной науки и техники, 2022)
    Refractory high-entropy alloys of the Ta-Ti-V-Zr-Al system, in which the V and Ta contents were varied, were investigated. Criteria, based on the thermodynamic parameters of the binary alloys, melting temperatures of the ...
  • The Compton neutron Hafnium detector: electric charge generation rate 
    Azhazha, R.; Bogdan, E.; Gann, V.; Kovtun, K.; Kutny, V.; Pudov, O.; Rybka, А.; Soldatov, S.; Ulybkin, A. (Вопросы атомной науки и техники, 2022)
    The properties of a Compton neutron detector with the emitter of metallic Hf were studying in this work. Using the previously calculated the emitter material nuclide composition during reactor irradiation, the dependence ...
  • The deformation value effect on the Ta-W-Ta solid-phase junction nature with intermediate Ti (titanium) interlayers for the neutron-producing target of the neutron source 
    Borts, B.V.; Zelinsky, A.Yu.; Parkhomenko, A.A.; Sytin, V.I.; Gluschenko, L.I.; Tkachenko, V.I.; Vorobyov, I.A.; Pidlisnyi, A.D.; Lopata, A.A.; Domnich, M.P.; Patochkin, I.V. (Вопросы атомной науки и техники, 2022)
    The paper presents the quality studies results of the Ta-W-Ta solid phase junctions with Ti interlayers obtained by hot roll bonding in vacuum, that determine the work suitability in the form of neutron producing targets ...
  • Пам’яті Г.П. Ковтуна 
    Автор відсутній (Вопросы атомной науки и техники, 2022)
    Геннадій Прокопович Ковтун – відомий вчений в галузі фізико-хімії надчистих металів, напівпровідникових матеріалів, ізотопнозбагачених речовин. Доктор фізико-атематичних наук, професор, академік Академії наук прикладної ...

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