Перегляд за автором "Stadnik, Yu.S."

Сортувати за: Порядок: Результатів:

  • Air-thermal oxidation of zirconium materials 
    Pylypenko, M.M.; Drobyshevskaya, A.A.; Stadnik, Yu.S.; Tantsyura, I.G. (Вопросы атомной науки и техники, 2014)
    The results of the temperature effect on the process of oxide films formation on the surface of the zirconium materials are given. The changes of the morphology, structure and properties of the oxide films on the zirconium ...
  • 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 ...
  • Effect of iron additives on the properties of Zr1%Nb alloy 
    Pylypenko, M.M.; Drobyshevskaya, A.A.; Stadnik, Yu.S.; Tantsyura, I.G.; Pylypenko Jr., M.M. (Вопросы атомной науки и техники, 2018)
    The effect of iron additives on the microstructure and properties of Zr1%Nb alloy were investigated. The Zr1%Nb alloy with microadditives of iron was obtained by vacuum-arc melting method. Microhardness of experimental ...
  • Numerical modelling of the RF plasma production in URAGAN-2М stellarator with crankshaft antenna 
    Moiseenko, V.Е.; Stadnik, Yu.S.; Volkov, E.D.; Schvets, O.M. (Вопросы атомной науки и техники, 2006)
    The qualitative technique of the analysis of the efficiency of the RF plasma production is presented in which the solution of boundary problem for Maxwell’s equations is only necessary. The analysis of the character of ...
  • Processing of experimental data of the process of refining nuclear material Zr1%Nb by electron-beam melting by means of interval analysis methods 
    Yefimov, A.V.; Pylypenko, M.M.; Potanina, T.V.; Yesypenko, T.A.; Harkusha, T.A.; Stadnik, Yu.S. (Вопросы атомной науки и техники, 2019)
    The possibilities of applying the methods and models of interval analysis, which take into account the uncertainties in the specification of data for Zr1%Nb alloys, to more accurately determine the relationship between the ...
  • Processing substandard materials of magnesium-thermal zirconium production 
    Pylypenko, M.M.; Yanko, T.B.; Stadnik, Yu.S.; Drobyshevska, A.O. (Вопросы атомной науки и техники, 2019)
    This paper describes results of study processing of substandard materials and waste of magnesium-thermal production of spongy zirconium to determine the optimal methods of zirconium recycling. The optimal methods of ...
  • Pure hafnium for nuclear power 
    Pylypenko, M.M.; Drobyshevska, A.О.; Stadnik, Yu.S.; Stupak, Yu.O. (Вопросы атомной науки и техники, 2020)
    The processes of producing reactor-grade hafnium are investigated. It is shown that the electron beam melting method is effective for purification of hafnium from metallic impurities. The use of deoxidizing additives makes ...
  • Pure iron and nickel for new structural reactor materials 
    Pylypenko, M.M.; Stadnik, Yu.S.; Drobyshevska, A.O. (Вопросы атомной науки и техники, 2019)
    The refining processes of iron and nickel from metal and gas impurities by physical methods in vacuum are considered. The effectiveness of using electron-beam melting for purification of these metals is shown. Iron and ...
  • 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 ...
  • Self-consistent modelling of plasma density increase with radio-frequency heating 
    Moiseenko, V.Е.; Stadnik, Yu.S.; Lyssoivan, A.I. (Вопросы атомной науки и техники, 2012)
    The self-consistent model of the radio-frequency (RF) plasma production in stellarators is described in this work. With this model of plasma production, one can perform calculations for different antenna systems. The ...
  • Self-consistent model of the RF plasma production in stellarator 
    Moiseenko, V.Е.; Stadnik, Yu.S.; Lyssoivan, A.I.; Dreval, M.B. (2010)
    Self-consistent model of the RF plasma production in stellarator that includes system of the balance equations and the boundary problem for the Maxwell’s equations is developed. The first numerical calculations of RF plasma ...
  • Zone refining of zirconium in an electric field 
    Kozhevnikov, O.E.; Pylypenko, M.M.; Stadnik, Yu.S.; Azhazha, R.V. (Вопросы атомной науки и техники, 2020)
    The physical grounds and an experimental study of the efficiency of applying the zone recrystallization method in an electric field for zirconium refining from metal and gas-forming impurities are presented. The changes ...