Перегляд за автором "Lytvynenko, V.V."

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 ...
  • Analysis of radiation protective properties of polystyrene-based composite materials 
    Prokhorenko, E.M.; Lytvynenko, V.V.; Zakharchenko, A.A.; Khazhmuradov, M.A.; Sokolov, S.A.; Prokhorenko, T.G.; Ben, A.P. (Вопросы атомной науки и техники, 2021)
    Polystyrene-metal composite materials were manufactured. Composite materials are made of polystyrene, which has been reinforced with highly dispersed powder-like aluminum. Tungsten or steel powder was applied as a radiation ...
  • 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 ...
  • 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 ...
  • Behavior of molybdenum target in condition of irradiation by the high current relativistic electron beam 
    Donets, S.E.; Lytvynenko, V.V.; Lonin, Yu.F.; Ponomarev, A.G.; Rokhmanov, N.Ya.; Starovoytov, R.I.; Uvarov, V.T. (Вопросы атомной науки и техники, 2018)
    The problems of the stability of molybdenum targets to the action of concentrated energy fluxes are considered. A series of irradiations of a molybdenum target with a high-current relativistic electron beam was carried ...
  • Changes of the radiation characteristics of surface of tungsten as a result of influence of helium ion beams 
    Manuilenko, O.V.; Prokhorenko, E.M.; Pavlii, K.V.; Zajtsev, B.V.; Dubniuk, S.N.; Lytvynenko, V.V.; Prokhorenko, T.G. (Вопросы атомной науки и техники, 2022)
    The change in the radiation characteristics of the surface of tungsten was studied. Helium ions beams with energies of 0.12 and 4 MeV were used. Curves of ionization and damage are got on length of free run of ions of ...
  • 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 ...
  • 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 ...
  • Electrolysite-plasma smoothing of relief on targets modified by a high-current relativistic electron beam 
    Starovoytov, R.I.; Mihal, O.V.; Moroz, O.V.; Mazilin, B.A.; Donets, S.E.; Lytvynenko, V.V.; Lonin, Yu.F.; Ponomarev, А.G.; Uvarov, V.T. (Вопросы атомной науки и техники, 2018)
    The problem of the appearance of a relief on the surface of metals, which was modified by high-current relativistic electron beams, is considered. The technological promise of this modification is shown. The possibility of ...
  • 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 ...
  • Influence of helium ions beams with energies 0.12 MeV on sputtering process on surface of tungsten 
    Manuilenko, O.V.; Prokhorenko, E.M.; Pavlii, K.V.; Zajtsev, B.V.; Dubniuk, S.N.; Lytvynenko, V.V.; Kasatkin, Yu.A.; Prokhorenko, T.G. (Problems of Atomic Science and Technology, 2023)
    The samples of tungsten with a purity of 99.5 and 99.7% were irradiated with helium ion beams (EHe⁺ = 0.12 MeV). The total sputtering coefficients for the sample depth up to 60 Å from the surface of sample were obtained. ...
  • Infrared heaters with thin-film conductive layers were synthesized on the glass by the magnetron sputtering 
    Lytvynenko, V.V.; Shmidko, I.N.; Rodionov, E.V. (Вопросы атомной науки и техники, 2017)
    This paper examines the infrared heating panels with thin conductivite layer. An oxide semiconductor thin film layer is proposed for improvements of the heating layer’s reliability and stability. Characteristics of the ...
  • 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 ...
  • 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 ...
  • 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 structure of the surface of steel (ХГС) as a result of influences of high-current electron beam 
    Prokhorenko, E.M.; Lytvynenko, V.V.; Melyakovа, O.А.; Lonin, Yu.F.; Ponomarev, A.G.; Uvarov, V.T.; Shul'gin, N.A.; Prokhorenko, T.G. (Вопросы атомной науки и техники, 2020)
    The steel surface (ХГС) was irradiated with a high-current electron beam. A high-current electron beam was obtained in the TEMP-A accelerator. Steel samples were made from drum mill balls. The balls had varying degrees of ...
  • 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 ...