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Перегляд за темою "Pure materials and vacuum technologies"

Репозиторій DSpace/Manakin

Перегляд за темою "Pure materials and vacuum technologies"

Сортувати за: Порядок: Результатів:

  • Application in a linear proton accelerator of a non-vaporizable Zr(86)-Al(14) getter located inside the chamber of a plasma-ion proton injector for its additional pumping 
    Aksonova, A.M.; Belicov, V.V.; Vdovin, S.A.; Makhnenko, P.L.; Pylypenko, M.M.; Podolyak, A.P.; Ponomarchuk, E.I.; Svynarenko, O.P.; Skibin, V.I. (Вопросы атомной науки и техники, 2022)
    The rates of pumping hydrogen and nitrogen by the non-evaporable Zr(86)-Al(14) getter located inside the chamber of a plasma-ion proton injector are investigated. The measurements at the temperature range 473…1300 K and ...
  • Development of plastic deformation in two-dimensional copper polycrystals with different twin structure 
    Ftomov, Ye.V.; Badiyan, E.E.; Tonkopryad, A.G.; Shekhovtsov, O.V.; Shurinov, R.V. (Вопросы атомной науки и техники, 2022)
    Experimental studies of regularities of occurrence and development of substructural and orientational heterogeneity of polycrystalline copper foils with different twin structure in the process of their deformation in ...
  • Intensification of the process of plasma-induction growing of large profiled tungsten single crystals 
    Shapovalov, V.O.; Gnizdylo, O.M.; Yakusha, V.V.; Nikitenko, Yu.O.; Berdnikova, E.M.; Khohlova, J.A. (Вопросы атомной науки и техники, 2022)
    The structure of a profiled tungsten single crystal obtained by plasma-induction layer-by-layer growth on a single crystal seed crystal at different deposition rates is investigated. Investigated – microhardness, size of ...
  • On multiple distillation or crystallization refining at given yield 
    Kravchenko, A.I.; Datsenko, O.A. (Вопросы атомной науки и техники, 2022)
    A comparison is made of the Cₙ concentration of the impurity with a separation coefficient β < 1 in the product of n-fold refining by simple distillation or normal directed crystallization with the concentration of C₁ ...
  • Structural features of doped silicon single crystals 
    Azarenkov, N.A.; Semenenko, V.E.; Stervoyedov, N.G. (Вопросы атомной науки и техники, 2022)
    The nature of the change in the Fermi level of silicon under the influence of dopants, point defects, and dislocations has been determined. The parameters of the diffusion of impurities, the conditions for their appearance ...
  • Structural-phase transformations in magnetron deposited films of Ti-Zr-Ni systems during annealing in vacuum 
    Malykhin, S.V.; Kondratenko, V.V.; Kopylets, I.A.; Bogdanov, Yu.S.; Surovitsky, S.V.; Borisova, S.S.; Shipkova, I.G. (Вопросы атомной науки и техники, 2022)
    Structural and phase changes in thin films obtained by magnetron sputtering of a target with the composition Ti41Zr38.3Ni20.7 (at.%) were studied under isothermal vacuum annealing in the temperature range from 400 to 800 ...
  • Temperature dependences of the Peclet number in sublimation processes of simple substances 
    Kravchenko, A.I.; Zhukov, A.I.; Datsenko, O.A. (Вопросы атомной науки и техники, 2022)
    The results of calculating the Peclet number Ре = wr/(ρD) (where D is the diffusion coefficient; w is the evaporation rate of the substance; ρ is the density of the substance; r is the size factor) in sublimation processes ...
  • The refining of titanium by the method of zone recrystallization in an electric field 
    Kozhevnikov, O.E.; Pylypenko, M.M.; Pelykh, V.M.; Virych, V.D.; Kozhevnikova, M.F. (Вопросы атомной науки и техники, 2022)
    The physical substantiation and an experimental study results of the application of zone recrystallization method in an electric field for the refining of titanium are presented. The elemental composition, microstructure ...
  • To the issue of the ultimate purification of metals 
    Kovtun, G.P.; Solopikhin, D.A.; Shcherban, A.P. (Вопросы атомной науки и техники, 2022)
    The paper considers issues related to the ultimate content of impurity elements in metals in the processes of their refining by evaporation and distillation in vacuum, zone recrystallization and electromigration. It is ...