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Перегляд Problems of Atomic Science and Technology, 2022, № 1 за назвою

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2022, № 1 за назвою

Сортувати за: Порядок: Результатів:

  • Formation of step density shock waves on vicinal NaCl(100) growth surfaces 
    Kulyk, O.P.; Podshyvalova, O.V.; Andrieieva, O.L.; Tkachenko, V.I.; Gnatyuk, V.A.; Aoki, T. (Вопросы атомной науки и техники, 2022)
    The morphology of the growth surface near NaCl(100), formed during the pore motion in a crystal due to the temperature gradient, has been studied by the electron microscopic method of vacuum decoration. It is shown that ...
  • High-field forming of tungsten surface by evaporation in liquid nitrogen 
    Sadanov, E.V.; Mazilov, A.A.; Gordienko, J.A.; Mazilova, T.I.; Mikhailovskij, I.M. (Вопросы атомной науки и техники, 2022)
    The basic obstacle to the application of the method of low-temperature field evaporation is the necessity of the creation of superhigh electric fields on the surface of the processing object. There are problems connected ...
  • 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 corrosion resistance of welded joints of heat-resistant nickel alloy with steel 
    Bolshakov, V.I.; Kalinin, O.V.; Kalinina, N.E.; Hlushkova, D.B.; Voronkov, O.I.; Ryzhkov, Y.V.; Stepanyuk, A.I. (Вопросы атомной науки и техники, 2022)
    For parts and assemblies of a turbopump unit (TPU) and a liquid rocket engine, welded joints of steel and heat-resistant alloys are used. Considering that the search for replacements by several materials at once, the study ...
  • Influence of iron additives on the corrosion resistance of the Zr-1%Nb alloy under operating conditions of a nuclear reactor 
    Pylypenko, M.M.; Drobyshevska, A.O.; Zuyok, V.A. (Вопросы атомной науки и техники, 2022)
    This paper presents experimental data of the study of the influence of iron microadditives on the evolution of the structure of the Zr-1%Nb alloy and its corrosion properties with increasing iron content. It is shown that ...
  • Intensification of the process of plasma-induction growing of large profiled tungsten single crystals 
    Shapovalov, V.O.; Gnizdylo, O.M.; Yakusha, V.V.; Nikitenko, Yu.O.; Berdnikova, E.M.; Khohlova, J.A. (Вопросы атомной науки и техники, 2022)
    The structure of a profiled tungsten single crystal obtained by plasma-induction layer-by-layer growth on a single crystal seed crystal at different deposition rates is investigated. Investigated – microhardness, size of ...
  • Interval models of temperature characteristics of superheater separators in nuclear power plant units with the capacity of 1000 MW 
    Yefimov, O.V.; Potanina, T.V.; Kavertsev, V.L.; Harkusha, T.A.; Yesypenko, Т.O. (Вопросы атомной науки и техники, 2022)
    The analysis of the influence of changes in the parameters of steam superheater separators SHS-1000 of nuclear power plant units with the capacity of 1000 MW on the efficiency and safety of their operation, including the ...
  • Mathematical relationships of models of two-phase flows in channels of reactors and steam generators of NPP's for the calculation of their hydrodynamic characteristics 
    Yefimov, О.V.; Pylypenko, M.M.; Kavertsev, V.L.; Harkusha, T.A.; Yesypenko, T.O. (Вопросы атомной науки и техники, 2022)
    Two-phase flows of the working substance in the steam-generating channels of reactors of single-circuit NPP’s and steam generators of two- and three-circuit NPP’s represent the joint movement of liquid (feed water) and ...
  • Mathematical relations of models of single-phase flows in the channels of reactors and steam generators of NPP's for calculation of heat transfer processes and hydrodynamic characteristics 
    Yefimov, O.V.; Pylypenko, M.M.; Kavertsev, V.L.; Harkusha, T.A.; Tiutiunyk, L.J.; Motovilnik, A.V. (Вопросы атомной науки и техники, 2022)
    The article presents the mathematical relationships of models of single-phase flows in channels of a other design for calculating the parameters of heat transfer processes and hydrodynamic (gas-dynamic) characteristics of ...
  • Microplasticity of 15Kh2NMFA vessel steel in a stress-strain state during magnetic treatment 
    Chernyak, N.A.; Sokolenko, V.I. (Вопросы атомной науки и техники, 2022)
    Earlier it was found that the treatment of pre-strained ferrite-pearlite vessel steel 15Kh2NMFA, welded joints of this steel by alternating magnetic field of industrial frequency leads to a decrease in the level and alignment ...
  • Modification of the structurally the phase state of aluminum alloy as a result of radiation thermal treatment 
    Prokhorenko, E.M.; Lytvynenko, V.V.; Bryukhovetskiy, V.V.; Shul’gin, N.A.; Kolodiy, I.V.; Tantsyura, I.G.; Prokhorenko, T.G. (Вопросы атомной науки и техники, 2022)
    The effect of relativistic electron beams on the change in the structure of the 2014 aluminum alloy was studied. The mechanical characteristics (hardness, ultimate strength, conditional yield stress) of the samples were ...
  • On multiple distillation or crystallization refining at given yield 
    Kravchenko, A.I.; Datsenko, O.A. (Вопросы атомной науки и техники, 2022)
    A comparison is made of the Cₙ concentration of the impurity with a separation coefficient β < 1 in the product of n-fold refining by simple distillation or normal directed crystallization with the concentration of C₁ ...
  • ᵃʳᶜʰPbWO₄ with improved optical parameters from archaeological lead 
    Yakubovskaya, A.G.; Tupitsyna, I.A.; Dubovik, A.M. (Вопросы атомной науки и техники, 2022)
    Technological principles of manufacturing a lead tungstate crystal from archaeological lead for use in low-background experiments to search for rare events are presented. The influence of the conditions for obtaining single ...
  • Peculiarities of the formation of a hardened layer during laser borinizing of piston rings 
    Hlushkova, D.B.; Ryzhkov, Y.V.; Kalinina, N.E.; Nosova, T.V. (Вопросы атомной науки и техники, 2022)
    Insufficient wear resistance of piston ring materials often limits the growth of machine productivity and service life. The use of traditional drilling methods associated with the diffusion of boron into the solid phase ...
  • Physical and chemical foundations of the extraction refining of natural uranium 
    Mukhachev, A.P.; Yelatontsev, D.O.; Kharitonova, O.A. (Вопросы атомной науки и техники, 2022)
    The paper presents the results of studies of the physicochemical processes of the extraction and nitric acid purification of uranium salts obtained by the method of precipitation of ammonium uranyl carbonate (AUC) from ore ...
  • 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 ...
  • Relative length as a classification parameter of the crystallization mode of amorphous films 
    Bagmut, A.G. (Вопросы атомной науки и техники, 2022)
    The possibility of using of the relative length δ₀ as a parameter, determining the polymorphous crystallization mode of amorphous films, was considered. Following polymorphous crystallization modes have been identified ...
  • Resistance of titanium alloys to cavitation wear 
    Klimenko, І.О.; Marinin, V.G.; Ovcharenko, V.D.; Kovalenko, V.I.; Kuprin, A.S.; Reshetnyak, O.M.; Belous, V.A.; Rostova, H.Yu. (Вопросы атомной науки и техники, 2022)
    The wear rate of titanium alloys VT1-0, TC5, VT6, VT14, OT4 under the action of microshocks due to cavitation, which is created in distilled water under the surface of the ultrasonic wave emitter, were determined. It was ...
  • SIMS study of the TiFe alloy interaction with oxygen 
    Litvinov, V.A.; Okseniuk, I.I.; Shevchenko, D.I.; Bobkov, V.V. (Вопросы атомной науки и техники, 2022)
    Secondary ion mass spectrometry (SIMS) analysis is used to investigate the composition of surface monolayers of the hydride forming intermetallic TiFe alloy during its interaction with oxygen. Oxygen, which is chemisorbed ...
  • Structural features of doped silicon single crystals 
    Azarenkov, N.A.; Semenenko, V.E.; Stervoyedov, N.G. (Вопросы атомной науки и техники, 2022)
    The nature of the change in the Fermi level of silicon under the influence of dopants, point defects, and dislocations has been determined. The parameters of the diffusion of impurities, the conditions for their appearance ...

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