Наукова електронна бібліотека
періодичних видань НАН України

Перегляд за темою "Physics of radiotechnology and ion-plasma technologies"

Репозиторій DSpace/Manakin

Перегляд за темою "Physics of radiotechnology and ion-plasma technologies"

Сортувати за: Порядок: Результатів:

  • 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 ...
  • Digital processing of optical emission spectra of magnetron sputtering plasma system 
    Afanasіeva, I.A.; Afanasiev, S.N.; Azarenkov, N.A.; Bobkov, V.V.; Gritsyna, V.V.; Logachev, Yu.E.; Okseniuk, I.I.; Skrypnyk, A.A.; Shevchenko, D.I.; Chornous, V.M. (Вопросы атомной науки и техники, 2019)
    To solve the actual problem of the analysis of the sputtered particles radiation during coating deposition in a magnetron sputtering system, a digital technique was proposed for processing the emission spectra of the ...
  • Effect of chromium coatings on the mechanical properties of Zr1Nb fuel claddings in longitudinal and transverse directions 
    Belous, V.А.; Voyevodin, V.N.; Gozhenko, S.V.; Krainyuk, Y.А.; Kuprin, А.S.; Оvcharenko, V.D.; Savchenko, V.I.; Shramchenko, S.V. (Вопросы атомной науки и техники, 2019)
    This study was aimed at investigating the chromium coating effect on the mechanical properties of Zr1Nb fuel claddings in the case of a tensile fracture in longitudinal and transverse directions at temperatures of 20 and ...
  • Erosion of Co-Cr-W alloy and coating on its basis under the action of cavitation 
    Kovalenko, V.I.; Klimenko, A.A.; Martynenko, L.I.; Marinin, V.G. (Вопросы атомной науки и техники, 2019)
    The average destruction rates (Vs) were measured under the action of cavitation on a pre-production model from the alloy of Co-Cr-W on chemical composition near to the stellite No.6, its initial components and the coating ...
  • Extracting of rare earth metals from secondary raw materials 
    Kolobov, G.; Pavlov, V.; Pecherytsya, K.; Moseiko, Yu.; Lichkonenko, N.; Prochorova, А. (Вопросы атомной науки и техники, 2019)
    A review of new publications on rare earth extraction technologies from various types of secondary raw materials: permanent magnet scrap made of Nd₂Fe₁₄B alloy and nickel-metal hydride batteries, spent catalysts, electronics ...
  • Hardening of leading edges of turbine blades by electrospark alloying 
    Kalinina, N.E.; Hlushkova, D.B.; Hrinchenko, O.D.; Kalinin, V.T.; Voronkov, A.I.; Kostina, L.L.; Nikitchenko, I.N.; Nosova, T.V.; Reznikov, A.A. (Вопросы атомной науки и техники, 2019)
    With a purpose of creating anti-erosion protection on turbine rotor blades the experiments in electrospark alloying using electrodes made of different materials: Т15К6 hard alloy and 15Х11МФШ steel were conducted. Reduction ...
  • Kinetic regularities of the formation of gas products under the influence of ionizing radiation on biomass 
    Khalilov, Z.Z.; Mahmudov, H.M. (Вопросы атомной науки и техники, 2019)
    The kinetic dependence of molecular hydrogen and other gases emergence out of biomass (oak, beech, pine) by a radiation-thermal method has been studied at the temperature T = 673 K. It has been determined that at the rate ...
  • Plasma coating formation by the deposition of cathode material eroded through high-current pulsed discharge 
    Chabak, Yu.G.; Fedun, V.I.; Efremenko, V.G.; Pastukhova, T.V.; Efremenko, B.V. (Вопросы атомной науки и техники, 2019)
    The paper analyzes the conditions for the formation of a coating obtained using an electrothermal axial plasma accelerator due to plasma transfer of cathode erosion products. It is shown that by using a cathode of low-melting ...
  • 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 ...
  • Rare-earth permanent magnet in magnetic system of electron accelerator with the energy of 10 MеV 
    Bovda, V.A.; Bovda, A.M.; Guk, I.S.; Kandybey, S.S.; Kononenko, S.G.; Lyashchenko, V.N.; Mytsykov, A.O.; Onischenko, L.V. (Вопросы атомной науки и техники, 2019)
    The radiation resistance of Sm-Co and Nd-Fe-B magnets under 10 MeV electron beam was studied. The simulation and design of a magnetic system for electron beam analysis of a technological accelerator for energy up to 10 MeV ...
  • Structural engineering of NbN/Cu multilayer coatings by changing the thickness of the layers and the magnitude of the bias potential during deposition 
    Sobol’, O.V.; Andreev, A.A.; Stolbovoy, V.A.; Kolesnikov, D.A.; Kovaleva, M.G.; Meylekhov, A.A.; Postelnyk, Н.О.; Dolomanov, А.V.; Sagaidashnikov, Yu.Ye.; Kraievska, Zh.V. (Вопросы атомной науки и техники, 2019)
    To determine the patterns of structural engineering of vacuum-arc coatings based on niobium nitride in the NbN/Cu multilayer composition, the effect of layer thickness and bias potential on the structural-phase state and ...
  • Structure and mechanical properties of multilayer coatings (TiAlCrY)N/ZrN 
    Novikov, V.Yu.; Beresnev, V.М.; Kolesnikov, D.A.; Ivanov, О.N.; Lytovchenko, S.V.; Stolbovoy, V.A.; Kolodiy, I.V.; Kozachenko, A.O.; Kovaleva, M.G.; Kritsyna, E.V.; Glukhov, О.V. (Вопросы атомной науки и техники, 2019)
    Multiperiodic nitride coatings (TiAlCrY)N/ZrN with different layer thicknesses are formed by vacuum-arc evaporation in a nitrogen atmosphere (0.2…0.6 Pa) of two targets, TiAlCrY and Zr. The targets were located along one ...
  • Studying the changes in the characteristics of radiation-protective composition materials in dependence on homogeneity of distributing of metal components 
    Prokhorenko, E.M.; Lytvynenko, V.V.; Zakharchenko, A.A.; Khazhmuradov, M.A.; Prokhorenko, T.G. (Вопросы атомной науки и техники, 2019)
    The dependence of the hardness of polystyrene-metal composite materials on the homogeneity of the distribution of particles of a component over the volume of a composite material is investigated. Improvements are made to ...
  • Study of the process of thermal dissociation of tantal pentachloride in vacuum 
    Polyakov, Yu.I.; Rudenkyi, S.G.; Lukirsky, Yu.V.; Konovalov, I.I.; Rak, V.I. (Вопросы атомной науки и техники, 2019)
    The dependence of the degree of dissociation of TaCl₅α(T, P) vapors on the temperature in the range of 1470...1820 K in a vacuum of 1.33·10⁻² Pa was by using of equilibrium chemical thermodynamics obtained. The experimental ...
  • The use of negative bias potential for structural engineering of vacuum-arc nitride coatings based on high-entropy alloys 
    Sobol', O.V.; Andreev, A.A.; Gorban', V.F.; Postelnyk, Н.О.; Stolbovoy, V.A.; Zvyagolsky, A.V.; Dolomanov, A.V.; Kraievska, Zh.V. (Вопросы атомной науки и техники, 2019)
    The effect of negative bias potential (Ub = -40, -110, and -200 V) during the deposition of multi-element coatings on their composition, structure and mechanical properties was studied. It was established that during the ...
  • Vacuum CVD coatings Ta on target W plate of neutrons source 
    Borts, B.V.; Neklyudov, I.M.; Polyakov, Yu.I.; Rudenky, S.G.; Lukirsky, Yu.V.; Vorobyov, I.A.; Lopata, А.А. (Вопросы атомной науки и техники, 2019)
    The paper presents data on the creation of a tungsten target, protected from corrosion under irradiation with a power of up to 100 kW. A protective coating of tantalum with a thickness of 250 µm was deposited on the surface ...