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Перегляд Вопросы атомной науки и техники за темою "Pure materials and the vacuum technologies"

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники за темою "Pure materials and the vacuum technologies"

Сортувати за: Порядок: Результатів:

  • Computation of thermodynamic parameters of binary metal systems with limited solubility of components in the solid α-phase 
    Shcherban, A.P.; Datsenko, O.A. (Вопросы атомной науки и техники, 2020)
    In the region of the primary solid α-phase for systems with limited solubility thermodynamic quantities such as the partial enthalpy of dissolution Δ HαB, the activity coefficients γαB and the activities ααB in binary metal ...
  • Crystal lattice rotations during plastic deformation of two–dimensional polycrystalline Al samples 
    Badiyan, E.E.; Ftomov, Ye.V.; Shekhovtsov, O.V.; Tonkopryad, A.G. (Вопросы атомной науки и техники, 2020)
    Theoretical studies of feasible rotations of the crystal lattice during the deformation of samples with an FCC structure under uniaxial tension are carried out. The results of the experimental determination of the magnitudes ...
  • Evolution of a dislocation structure during the growth silicon single crystals of n– and p–type 
    Azarenkov, N.A.; Semenenko, V.E.; Stervoyedov, N.G. (Вопросы атомной науки и техники, 2020)
    The kinetics of the formation of perfect n– and p–type silicon single crystals is considered. The peculiarity of the formation of point and linear defects in the process of a controlled phase transformation of a liquid–solid ...
  • High pure substances for astrophysical research 
    Kovtun, G.P. (Вопросы атомной науки и техники, 2020)
    The features of the application of high-purity substances for studying rare nuclear events in astrophysics, in particular double beta decay, are considered. It was noted that for such studies, the special underground ...
  • High-pure zinc for growing Zn⁸²Se scintillation crystals 
    Kovtun, G.P.; Shcherban, A.P.; Solopikhin, D.A.; Virych, V.D.; Gorbenko, Yu.V. (Вопросы атомной науки и техники, 2020)
    A process has been developed to produce high-purity granular zinc for growing Zn⁸²Se scintillation crystals designed to study the neutrinoless double beta decay (0ν2β) of the selenium isotope ⁸²Se in the CUPID-0 experiment. ...
  • Influence of purity on microstructure and strength characteristics of refrigable microcomposites 
    Azarenkov, N.A.; Semenenko, V.Е.; Lytovchenko, S.V.; Styervoyedov, N.G. (Вопросы атомной науки и техники, 2020)
    The influence of the purity of the source materials on the structural and dimensional stability of microcomposites obtained in the process of controlled invariant phase transformation is investigated. The influence of ...
  • Manufacture of super large tungsten single crystals in the form of rotation bodies 
    Shapovalov, V.O.; Nikitenko, Yu.O.; Yakusha, V.V.; Gnizdylo, O.M.; Sheiko, I.V. (Вопросы атомной науки и техники, 2020)
    The results of researches made at creation of technology of production of super-large single crystals of tungsten in the form of plates and bodies of rotation are presented in E.O. Paton Electric Welding Institute NAS of ...
  • Potential ecological hazard of pure metals 
    Levenets, V.V.; Rolik, I.L. (Вопросы атомной науки и техники, 2020)
    The potential environmental hazard of a number of pure metals was assessed. A comparative analysis of hazard indicators established by various international organizations (WHO, ACGIH, etc.) and hazard factors regulated by ...
  • Production of high-purity zinc single crystals by vertical directed crystallization method 
    Shcherban, A.P.; Kovtun, G.P.; Solopikhin, D.A.; Gorbenko, Yu.V.; Rudycheva, T.Yu.; Malykhin, D.G.; Kolodiy, I.V.; Virych, V.D. (Вопросы атомной науки и техники, 2020)
    A seedless process has been developed to produce high-purity Zn single crystals by the method of vertical directed crystallization from a melt. The output of a single crystal structure is from 60 to 80%. Crystals with ...
  • 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 ...
  • Separation factors at sublimation refining of some lanthanides 
    Кravchenko, А.I. (Вопросы атомной науки и техники, 2020)
    It is shown that the application of ideal separation factor in calculations of sublimation refining of Sm, Eu, Tm, and Yb has confined character: in considered base–impurity systems a difference between effective (β) and ...
  • Strain hardening of flat samples of two–dimensional high purity Al polycrystals 
    Badiyan, E.E.; Tonkopryad, A.G.; Ftomov, Ye.V.; Shekhovtsov, O.V. (Вопросы атомной науки и техники, 2020)
    Using the dislocation–kinetic approach based on equations describing the evolution of the average dislocation density in a material with an increase in shear strain, size effects have been theoretically studied that are ...
  • 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 ...

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