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Перегляд за темою "Чистые материалы и вакуумные технологии"

Репозиторій DSpace/Manakin

Перегляд за темою "Чистые материалы и вакуумные технологии"

Сортувати за: Порядок: Результатів:

  • Alloy Zr1Nb based on magnesium-thermal zirconium 
    Lavrinenko, S.D.; Pylypenko, M.M; Drobyshevskaya, A.A.; Bobrov, Yu.P.; Stadnik, Yu.S.; Tantsyura, I.G (Вопросы атомной науки и техники, 2016)
    Refining processes of magnesium-thermal zirconium sponge by methods of electron beam and vacuum arc melting in laboratory conditions were investigated. Properties of obtained test samples of zirconium were studied. The ...
  • Hafnium in nuclear power industry: the evolution of increasing of the economic indicators and the operation safety of pressurized water nuclear reactors 
    Shilyaev, B.A.; Ulybkin, A.L.; Kovtun, K.V.; Rybka, A.V.; Kutny, V.E.; Pudov, A.O. (Вопросы атомной науки и техники, 2017)
    А further increase of the reliability, safety and efficiency of nuclear reactors, the extension of the nuclear fuel campaign and a better control of the fuel burning-out level demand to search for and use new materials. ...
  • Hafnium in nuclear power industry: the evolution of increasing of the economic indicators and the operation safety of pressurized water nuclear reactors 
    Shilyaev, B.A.; Ulybkin, A.L.; Kovtun, K.V.; Rybka, A.V.; Kutny, V.E.; Pudov, A.O. (Вопросы атомной науки и техники, 2018)
    А further increase of the reliability, safety and efficiency of nuclear reactors, the extension of the nuclear fuel campaign and a better control of the fuel burning-out level demand to search for and use new materials. ...
  • High pure zirconium 
    Pylypenko, M.M. (Вопросы атомной науки и техники, 2018)
    The results of investigations of zirconium refining processes by methods of electron-beam melting and zone recrystallization using high-vacuum technology are presented. It is shown that the applied methods of zirconium ...
  • High pure zirconium 
    Pylypenko, M.M. (Вопросы атомной науки и техники, 2017)
    The results of investigations of zirconium refining processes by methods of electron-beam melting and zone recrystallization using high-vacuum technology are presented. It is shown that the applied methods of zirconium ...
  • Impurity distributions in a magnesium sublimates 
    Papirov, I.I.; Kravchenko, А.I.; Mazin, А.I.; Shiyan, A.V.; Virich, V.D. (Вопросы атомной науки и техники, 2016)
    The dependence of character of impurities distributions in thickness of vacuum sublimation magnesium condensate from its purity is ascertained. The condensate with summary impurities concentration ~ 10⁻³ mas.% has more ...
  • Influence of Zr-Fe getter filter on Cd and Zn deep refining of interstitial impurities 
    Kondrik, A.I.; Kovtun, G.P.; Shcherban’, A.P.; Solopikhin, D.A. (Вопросы атомной науки и техники, 2014)
    The paper presents the analytical and experimental studies of the process of cadmium and zinc refinement of interstitial impurities in a vacuum using a getter filter of Zr-Fe alloy. The thermodynamic analysis of reduction ...
  • Low background scintillation setup to investigate radiopurity of materials 
    Kasperovych, D.V.; Danevich, F.A.; Kobychev, V.V.; Kropivyansky, B.N.; Sokur, N.V.; Tymoshenko, A.I. (Вопросы атомной науки и техники, 2017)
    Background of 2.128 kg CdWO₄ scintillation detector was reduced by 3 orders of magnitude in the energy region 0.5…2.6 MeV, and one order of magnitude above 3 MeV in the low background scintillation setup located in the ...
  • Low background scintillation setup to investigate radiopurity of materials 
    Kasperovych, D.V.; Danevich, F.A.; Kobychev, V.V.; Kropivyansky, B.N.; Sokur, N.V.; Tymoshenko, A.I. (Вопросы атомной науки и техники, 2018)
    Background of 2.128 kg CdWO₄ scintillation detector was reduced by 3 orders of magnitude in the energy region 0.5…2.6 MeV, and one order of magnitude above 3 MeV in the low background scintillation setup located in the ...
  • Monocrystalline structure formation of doped perfect silicon crystals 
    Azarenkov, N.А.; Semenenko, V.Е.; Ovcharenko, А.I.; Pylypenko, M.M. (Вопросы атомной науки и техники, 2016)
    In this paper we consider perfect doped silicon single crystals growth. Special features of anodic etching of n- and p-type single crystals has been revealed. An impact of seed orientation on dislocation and defect structure ...
  • Multiscale modeling of the low-temperature electron irradiation of beryllium 
    Bratchenko, M.I.; Dyuldya, S.V. (Вопросы атомной науки и техники, 2018)
    Presented are the methodology and the results of the multiscale modeling of radiation defects primary production and time evolution for 2.5 MeV cryogenic (77 K) irradiation of highly deformed to ~ 10¹² cm⁻² dislocations ...
  • Multiscale modeling of the low-temperature electron irradiation of beryllium 
    Bratchenko, M.I.; Dyuldya, S.V. (Вопросы атомной науки и техники, 2017)
    Presented are the methodology and the results of the multiscale modeling of radiation defects primary production and time evolution for 2.5 MeV cryogenic (77 K) irradiation of highly deformed to ~ 10¹² cm⁻² dislocations ...
  • On temperаture dependence of ideal separation factor in systems with similar volatility of components 
    Kravchenko, А.I. (Вопросы атомной науки и техники, 2016)
    In temperature interval 800…2400 К the temperature dependence of ideal separation factor αi(Т) for difference double systems with similar volatility of components (at 0.1 < αi < 10) may be as monotonic as non-monotonic; ...
  • Purification of vanadium by electron-beam melting 
    Bobrov, Yu.P.; Dmitrenko, A.E.; Koblik, D.V.; Lavrinenko, S.D.; Laubenstein, M.; Nagorny, S.S.; Pylypenko, M.M.; Stadnik, Yu.S.; Tantsyura, I.G.; Virich, V.D. (Вопросы атомной науки и техники, 2014)
    In this paper we are reported about theoretical calculation and experimental investigation of Vanadium purification by electron-beam melting. This method has demonstrated high efficiency of Vanadium purification from ...
  • Soliton regime in the model with no Lifshitz invariant 
    Berezovsky, S.V. (Вопросы атомной науки и техники, 2003)
    В рамках феноменологічної моделі без інваріанта Ліфшиця описано нелінійні властивості модульованої хвилі параметра порядку в таких системах як тіомочевина. Показано, що для деякого набору параметрів термодинамічного ...
  • Structural transformation in Zr/Mg multilayer on Si substrate after annealing 
    Konotopsky, L.E.; Kopilets, I.A.; Kosmachev, S.M.; Kondratenko, V.V. (Вопросы атомной науки и техники, 2018)
    A Zr/Mg periodic multilayer was deposited onto silicon substrate by DC magnetron sputtering. Study of the Zr/Mg multilayer structure in an initial state and after thermal annealing in a temperature range of 100...600 °C ...
  • Structural transformation in Zr/Mg multilayer on Si substrate after annealing 
    Konotopsky, L.E.; Kopilets, I.A.; Kosmachev, S.M.; Kondratenko, V.V. (Вопросы атомной науки и техники, 2017)
    A Zr/Mg periodic multilayer was deposited onto silicon substrate by DC magnetron sputtering. Study of the Zr/Mg multilayer structure in an initial state and after thermal annealing in a temperature range of 100...600 °C ...
  • The influence of boron on the kinetics of phase formation, the dislocation structure, and the diffusion parameters of nickel 
    Azarenkov, N.А.; Lytovchenko, S.V.; Semenenko, V.Е.; Styervoyedov, N.G. (Вопросы атомной науки и техники, 2017)
    The comparative characteristic of the processes of the kinetic formation of nickel borides, the dislocation structure and the state of interphase boundaries in nickel alloys obtained by the electrochemical method and ...
  • The influence of boron on the kinetics of phase formation, the dislocation structure, and the diffusion parameters of nickel 
    Azarenkov, N.А.; Lytovchenko, S.V.; Semenenko, V.Е.; Styervoyedov, N.G. (Вопросы атомной науки и техники, 2018)
    The comparative characteristic of the processes of the kinetic formation of nickel borides, the dislocation structure and the state of interphase boundaries in nickel alloys obtained by the electrochemical method and ...
  • Ultrasound influence on the creep nanostructured Zr 
    Sokolenko, V.I.; Gorbatenko, V.M.; Karaseva, E.V.; Mats, A.V.; Savchuk, E.S.; Frolov, V.A. (Вопросы атомной науки и техники, 2016)
    The peculiarities creep and electro-physical characteristics of nanostructured zirconium subjected to severe treatment was studied in the temperature range 300…700 K. It is shown that plastic flow of nanostructured zirconium ...