Перегляд за автором "Ovcharenko, V.D."

Сортувати за: Порядок: Результатів:

  • Blistering of W, Ta and W-Ta coatings under the influence of particles of low-energy hydrogen plazma 
    Tolstolutskaya, G.D.; Kuprin, A.S.; Voyevodin, V.N.; Nikitin, A.V.; Ovcharenko, V.D.; Belous, V.A.; Vasilenko, R.L.; Kopanets, I.E. (Вопросы атомной науки и техники, 2017)
    The surface topography and deuterium retention in W, Ta and W-Ta coatings under the influence of low-energy deuterium plasma was studied. It was observed formation of blisters as dome and burst or delaminated structures. ...
  • Cavitation erosion of Ti-6Al-4V alloy with vacuum-arc TiN and CrN coatings 
    Kuprin, А.S.; Ovcharenko, V.D.; Leonov, S.A.; Tolmachova, G.N.; Belous, V.А.; Reshetnyak, Е.N.; Klimenko, I.О.; Kmech, М. (Вопросы атомной науки и техники, 2018)
    The distilled-water cavitation erosion resistance of Ti-6Al-4V alloy with vacuum-arc TiN and CrN coatings is investigated. The results show that the coatings having high mechanical properties are capable to reduce ...
  • Comparison of blistering of W bulk and coatings under H₂, D₂ and He plasma irradiation 
    Nikitin, A.V.; Kuprin, A.S.; Tolstolutskaya, G.D.; Vasilenko, R.L.; Ovcharenko, V.D.; Voyevodin, V.N. (Вопросы атомной науки и техники, 2018)
    The surface topography of W bulk prepared by powder sintering (20 μm thickness) and W coatings deposited by cathodic arc evaporation and by argon ion sputtering was studied under the influence of low-energy hydrogen (deuterium) ...
  • Deposition of chromium nitride coatings from vacuum arc plasma in increased nitrogen pressure 
    Ovcharenko, V.D.; Kuprin, A.S.; Tolmachova, G.N.; Gilewicz, A.; Lupicka, O.; Rochowicz, J.; Warcholinski, B. (Вопросы атомной науки и техники, 2014)
    The application of protective coatings on metal materials is the effective way to improve their durability. Chromium nitride coatings are applied mainly on tools due to good resistivity to oxidation compared to other metal ...
  • 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 ...
  • Effect of carbon on the properties of CrN coatings formed by cathodic arc evaporation in stationary system 
    Kuprin, A.S.; Kolodiy, I.V.; Ovcharenko, V.D.; Tolmachova, G.N.; Gilewicz, A.; Lupicka, O.; Warcholinski, B. (Вопросы атомной науки и техники, 2016)
    Due to good resistance to oxidation and wear chromium nitride coatings are widely used in industry. The works aimed at further improving, for example by carbon doping, the properties of the coatings. The goal of this study ...
  • Effect of deuterium implantation dose on properties of CrN coatings 
    Kuprin, A.S.; Belous, V.A.; Morozov, O.M.; Ovcharenko, V.D.; Dub, S.N.; Tolmachova, G.N.; Reshetnyak, E.N.; Zhurba, V.I.; Progolaieva, V.O. (Вопросы атомной науки и техники, 2017)
    The methods of X-ray diffraction analysis, atomic-force microscopy, nanoindentation and thermodesorption spectroscopy have been applied to investigate the effect of a dose (from 5∙10¹⁶ to 1.5∙10¹⁸ D/сm²) of implanted ...
  • Erosion behavior of W-Ta coatings in plasmas of stationary mirror Penning discharges 
    Belous, V.A.; Bondarenko, M.N.; Glazunov, G.P.; Ilchenko, A.V.; Kuprin, A.S.; Konotopskiy, A.L.; Lunyov, V.M.; Ovcharenko, V.D. (Вопросы атомной науки и техники, 2017)
    Investigations had been carried out of the influence of Ta alloying (2…16 wt.%) in W-coatings on their erosion behavior in steady state plasmas of Penning discharges in different gases: argon, nitrogen, and hydrogen. The ...
  • Laminated material for gamma radiation shielding 
    Aksenov, I.I.; Belous, V.A.; Goncharov, I.G.; Kuprin, A.S.; Lomino, N.S.; Mazilov, A.V.; Ovcharenko, V.D.; Pavlov, V.S.; Razsukovany, B.N. (Functional Materials, 2009)
    The efficiency of a radiation shielding structure consisting of a set of alternating layers of light and heavy metals is shown to be enhanced when the layered structure is turned to a radiation source by the light metal ...
  • Protective vacuum-arc coatings on zirconium alloy fuel cladding to prevent catastrophic accidents at nuclear reactors 
    Kuprin, A.S.; Zuyok, V.A.; Belous, V.A.; Ovcharenko, V.D.; Reshetnyak, E.N.; Vasilenko, R.L.; Tolmachova, G.N.; Kushtym, Ya.O. (Problems of Atomic Science and Technology, 2023)
    The processes of vacuum arc deposition of multicomponent coatings based on Cr, Ti, Al, Fe, Y, Si, and their nitrides with a thickness of 5…9 μm for the protection of zirconium alloy fuel rods were developed. The composition, ...
  • Radiation resistance of Ti—20Zr alloy in microcrystalline and nanocrystalline state 
    Belous, V.A.; Borodin, O.V.; Bryk, V.V.; Vasilenko, R.L.; Voyevodin, V.N.; Kuprin, A.S.; Ovcharenko, V.D.; Reshetnyak, E.N.; Tolmachova, G.N. (Functional Materials, 2013)
    In this work we studied structure of Ti—20Zr alloy in recrystallized and nanocrystalline conditions before and after irradiation by Zr³⁺ ions with energy 1.8 MeV to 80 dpa at 500° C. By transmission electron microscopy ...
  • 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 ...
  • Role of surface layer nanosrtucturing in improving mechanical and corrosion properties of reactor materials 
    Ozhigov, L.S.; Belous, V.A.; Savchenko, V.I.; Nosov, G.I.; Ovcharenko, V.D.; Tolmachova, G.N.; Kuprin, A.S.; Goltvyanitsa, V.S. (Вопросы атомной науки и техники, 2017)
    The results of investigations into the influence of the ion-plasma treatment (IPT), including the ion implantation and ion-plasma coating deposition, on the mechanical properties and corrosion resistance of nuclear fuel ...
  • Structure and properties of coatings based on FeCrAl and Cr18Ni10T 
    Belous, V.А.; Bortnitskaya, М.A.; Vasilenko, R.L.; Voyevodin, V.N.; Klimenko, І.О.; Kovalenko, V.І.; Kolodiy, І.V.; Kuprin, A.S.; Marinin, V.G.; Ovcharenko, V.D.; Tikhonovsky, М.А. (Вопросы атомной науки и техники, 2020)
    The process of vacuum-arc deposition of protective coatings from multicomponent FeCrAl cathodes and 18Cr10NiT stainless steel onto fragments of Zr1Nb alloy claddings has been developed. The influence of the reaction ...
  • Structure and properties of FeCr, CrAl and FeCrAl coatings deposited by cathodic arc evaporation 
    Vasilenko, R.L.; Voyevodin, V.N.; Belous, V.А.; Bortnitskaya, М.A.; Kolodiy, І.V.; Klimenko, І.О.; Ovcharenko, V.D.; Kovalenko, V.І.; Marinin, V.G.; Ilchenko, A.V.; Tikhonovsky, М.А.; Kuprin, A.S. (Вопросы атомной науки и техники, 2021)
    Protective coatings with different compositions of Fe, Cr, and Al were deposited by cathodic arc evaporation method on fragments of Zr1Nb alloy fuel claddings. The influence of the composition and structural state of the ...
  • Structure and properties of W, Ta and W-Ta coatings deposited with the use of a gas-plasma source 
    Lunyov, V.M.; Kuprin, A.S.; Ovcharenko, V.D.; Belous, V.A.; Morozov, A.N.; Ilchenko, A.V.; Tolmachova, G.N.; Reshetnyak, E.N.; Vasilenko, R.L. (Вопросы атомной науки и техники, 2016)
    W, Ta and W-Ta coatings were deposited by argon ion sputtering of targets made from appropriate metals using the gas plasma source. Mechanical properties of the obtained coatings were investigated by the methods of X-ray ...
  • Surface morphology and sputtering of FeCrAl coating on steel exposed to low-energy deuterium plasmas 
    Voyevodin, V.N.; Tolstolutskaya, G.D.; Nikitin, A.V.; Vasilenko, R.L.; Kuprin, A.S.; Belous, V.A.; Ovcharenko, V.D. (Вопросы атомной науки и техники, 2019)
    Processes of sputtering and surface modification of FeCrAl coatings deposited on steel by vacuum arc was studied under the influence of low-energy (500 eV) deuterium plasma with fluence (4⋅10²⁴) D+/m² at room temperature. ...
  • The effect OF Cr, Cr-N and Cr-Ox coatings on deuterium retention and penetration in zirconium alloy Zr-1Nb 
    Kopanetz, I.E.; Tolstolutskaya, G.D.; Nikitin, A.V.; Bilous, V.A.; Kuprin, A.S.; Ovcharenko, V.D.; Vasilenko, R.L. (Вопросы атомной науки и техники, 2015)
    Depth distribution profiles of deuterium in zirconium alloy Zr-1Nb in initial state and with coatings Cr, CrN, and Cr₂O₃ after ion implantation with 15 keV/D⁺ at temperatures 350 °C to dose 1·10¹⁷ D/cm⁻² and deuterium ...
  • Thermophysical properties of fuel clading with various vacuum-arc coatings 
    Belous, V.A.; Sokolenko, V.I.; Chupikov, A.A.; Kuprin, A.S.; Ledenyov, O.P.; Ovcharenko, V.D. (Вопросы атомной науки и техники, 2019)
    The developed research technique for determining emissivity of thin-walled cylindrical samples was used to investigate, in the mode of heat transfer by radiation, thermophysical properties of Zr1Nb fuel cladding samples ...
  • Tribological properties of vacuum arc Cr-O-N coatings in macro- and microscale 
    Kuprin, A.S.; Kuznetsova, T.A.; Gilewicz, A.; Tolmachova, G.N.; Ovcharenko, V.D.; Abetkovskaia, S.O.; Zubar, T.I.; Khudoley, A.L.; Chizhik, S.A.; Lupicka, O.; Warcholinski, B. (Вопросы атомной науки и техники, 2016)
    In this paper the tribological properties of Cr-O-N coatings deposited using vacuum arc plasma flux in macro- (sphere-on-disc test) and microscale (AFM-atomic force microscopy) are investigated. It was found that the ...