Перегляд за автором "Klepikov, V.F."

Сортувати за: Порядок: Результатів:

  • Aluminum surface coating of copper using highcurrent electron beam 
    Donets, S.E.; Klepikov, V.F.; Lytvynenko, V.V.; Lonin, Yu.F.; Ponomarev, A.G.; Starovoytov, R.I.; Startsev, O.A.; Uvarov, V.T. (Вопросы атомной науки и техники, 2015)
    High-current electron beam irradiation has been applied for surface coating of copper with aluminum in ablative mode at the TEMP-A accelerator with energy of 350 keV, pulse length of 5 μs, and fluence 10…200 J/cm2. The ...
  • 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 ...
  • Application of IR-radiometric diagnostics for control of vacuum connections of electrophysical installations 
    Prohorenko, E.M.; Klepikov, V.F.; Lytvynenko, V.V.; Bazaleyev, N.I.; Magda, I.I.; Prohorenko, T.G.; Morozov, A.I. (Вопросы атомной науки и техники, 2018)
    The methods of IR-radiometric diagnostics of vacuum systems have been worked out. Several mechanisms are proposed that change the temperature field in the defect region. Depending on the type of defect, the main types of ...
  • Application of methods of mathematical modeling for determining of radiation-protective characteristics of polystyrene-metal composite materials 
    Klepikov, V.F.; Prokhorenko, E.M.; Lytvynenko, V.V.; Zakharchenko, A.A.; Hazhmuradov, M.A. (Вопросы атомной науки и техники, 2016)
    Radiation safety features of polystyrene steel composite materials were found by means of mathematical modeling techniques. We determined the attenuation of the gamma quantum flux passing through a solid protective ...
  • Application of radiation processes for testing of gas turbine blades 
    Bazaleev, M.I.; Bryukhovetsky, V.V.; Donets, S.Ye.; Klepikov, V.F.; Lytvynenko, V.V.; Prokhorenko, E.M.; Startsev, O.A.; Lonin, Yu.F.; Ponomarev, A.G.; Uvarov, V.T. (Вопросы атомной науки и техники, 2019)
    Structural integrity of the gas turbine blades is of great concern. A set of methods and instruments is proposed to study the problems of the test loading of the industrial turbine blades. The approach aims to model the ...
  • Control of macroscopic characteristics of composite materials for radiation protection 
    Klepikov, V.F.; Prokhorenko, E.M.; Lytvynenko, V.V.; Zakharchenko, A.A.; Hazhmuradov, M.A. (Вопросы атомной науки и техники, 2015)
    Composite materials, intended for radiation protection, were studied. They are made of polystyrene and reinforced by an aluminum. Aluminum is used as a powder. Tungsten powder was added for increase the radiation-protective ...
  • Critical phenomena and critical dimensions in anisotropic nonlinear systems 
    Babich, A.V.; Berezovsky, S.V.; Kitcenko, L.N.; Klepikov, V.F. (Вопросы атомной науки и техники, 2012)
    The model that allows one to generalize the notions of the multicritical and Lifshitz points is considered. The model under consideration includes the higher powers and derivatives of order parameters. Critical phenomena ...
  • Critical phenomena in anisotropic multidimensional systems 
    Babich, A.V.; Klepikov, V.F. (Problems of Atomic Science and Technology, 2022)
    A class of models, which describe the critical phenomena in anisotropic multidimensional systems with both higher-order spatial order parameter (OP) derivatives and higher OP nonlinearities is proposed. Such models may be ...
  • Deformation of odd nuclei ²³Na, ²⁵Mg, and ²⁵Al in single-particle states 
    Korda, V.Yu.; Korda, L.P.; Klepikov, V.F.; Timchenko, I.S. (Problems of Atomic Science and Technology, 2023)
    Using the evolutionary approach recently developed by us, the shapes of odd 2s1d-shell ²³Na, ²⁵Mg, and ²⁵Al nuc-lei in the ground and single-particle excited states have been extracted from the experimental data on the ...
  • Dynamics of the gas-plasma torch formed by the highcurrent electron beam action on solid targets 
    Klepikov, V.F.; Lytvynenko, V.V.; Lonin, Yu.F.; Ponomarev, A.G.; Tolstolutskiy, O.G.; Uvarov, V.V.; Uvarov, V.T. (Вопросы атомной науки и техники, 2009)
    The interaction of high-current REВ with the surface of solid targets was investigated. The target material was stainless steel 12Х18Н10Т, graphite, tungsten, plexiglas. The optical diagnostic methods were used to determine ...
  • Improving of characteristics of composite materials for radiation biological protection 
    Prohorenko, E.M.; Klepikov, V.F.; Lytvynenko, V.V.; Skrypnik, A.I.; Zaharchenko, A.A.; Khazhmuradov, M.A. (Вопросы атомной науки и техники, 2013)
    Offered an individual protective system designed for the needs of radiation-biological protection. As the protective layer is applied the polymeric matrix composite material based on aluminum reinforced polystyrene, with ...
  • Measurement of gas-plasma torch temperature 
    Klepikov, V.F.; Shchelokovskyy, P.A.; Kryshtal, P.G.; Tolstolutskiy, A.G.; Uvarov, V.V. (Вопросы атомной науки и техники, 2001)
    Experimental studies of gas-plasma torch optical spectra were performed and the torch temperature on different distances from the target irradiated by high-current REB was measured.
  • Metal containing composition materials for radiation protection 
    Prokhorenko, E.M.; Klepikov, V.F.; Lytvynenko, V.V.; Zakharchenko, A.A.; Khazhmuradov, M.A. (Вопросы атомной науки и техники, 2014)
    In individual protective complete sets, for application as elements of radiation biological protection, five types of composition materials are offered. Their basis is polystyrene reinforced by an aluminum with addition ...
  • Modification effects of microsecond high current electron beam exposure on titanium VT22 alloy 
    Donets, S.Ye.; Klepikov, V.F.; Lytvynenko, V.V.; Prokhorenko, E.M.; Startsev, O.A.; Lonin, Yu.F.; Ponomarev, A.G.; Uvarov, V.T.; Starovoytov, R.I. (Вопросы атомной науки и техники, 2019)
    Titanium VT22 alloy was irradiated in the TEMP-A accelerator with the high current electron beam with the energy of 350 keV, beam current of 2 kA, pulse length around 4 µs, and beam diameter of 45 mm. The irradiation was ...
  • 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 ...
  • Modification of the D16 aluminum alloy structure by pulsed relativistic electron beam 
    Klepikov, V.F.; Uvarov, V.T.; Kivshyk, V.F.; Ponomarev, A.G.; Bazaleev, М.I.; Bryukhovetsky, V.V.; Kuznetsova, R.I.; Lytvynenko, V.V. (Вопросы атомной науки и техники, 2001)
    The influence of a pulsed intense relativistic electron beam on mesoscopic structural characteristics of D16 aluminium alloy plates is studied. The phenomenological parameters of superplastic flow of alloy D16 plates after ...
  • Modulated structures in materials under irradiation 
    Babich, A.V.; Kitcenko, L.N.; Klepikov, V.F. (Вопросы атомной науки и техники, 2014)
    The models describing phase transitions in systems with a few control parameters are considered. Such models are necessary for studying phase transitions in materials under irradiation. Describing of the phase transitions ...
  • Performance ratio hardness characteristics polystyrene-metal composite materials 
    Klepikov, V.F.; Prokhorenko, E.M.; Lytvynenko, V.V.; Zakharchenko, A.A.; Hazhmuradov, M.A. (Вопросы атомной науки и техники, 2015)
    The methods of measuring the hardness of layered polystyrene-metallic composite materials. It is proposed to use powder-like tungsten and powder-like steel as radiation-protective layer. A measurement of the hardness of ...
  • Physical and mechanical properties of titanium alloy VT1-0 after high-current electron beam irradiation 
    Klepikov, V.F.; Lonin, Yu.F.; Ponomarev, A.G.; Startsev, O.A.; Uvarov, V.T. (Вопросы атомной науки и техники, 2015)
    Titanium alloy VT1-0 was modified by the high-current electron beam irradiation with energy 0.35 MeV, 5 μs impulse, and power density of 60 MW⋅cm-2. It was found that intense electron exposure significantly increased both ...
  • Simulation of characteristics of gamma-radiation detectors based on mercury compounds 
    Skrypnyk, A.I.; Zakharchenko, A.A.; Khazhmuradov, M.A.; Prokhorenko, E.M.; Klepikov, V.F.; Lytvynenko, V.V. (Вопросы атомной науки и техники, 2013)
    We used Monte-Carlo method to compare characteristics of HgI₂- and HgS-detectors which work in the mode of pulse amplitude analysis. The GEANT4 Simulation Toolkit version 4.9.4p04 and EGSnrc version 4.r2.3.2 were used for ...