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Перегляд Problems of Atomic Science and Technology, 2020, № 4 за назвою

Перегляд Problems of Atomic Science and Technology, 2020, № 4 за назвою

Результати 1-17 з 17

CFD model as a digital twin of the radiation state of the new safe confinement of the chernobyl NPP

Krukovskyi, P.G.; Diadiushko, Ye.V.; Garin, V.O.; Tryfonov, O.V.; Kabanov, Yu.Yu. (Вопросы атомной науки и техники, 2020)

The necessity of a detailed analysis and prediction of the operating parameters and distribution of radioactive aerosols (RA) in the Shelter Object (SO), the New Safe Confinement (NSC) and the environment of the Chernobyl ...
Effect of argon-ion irradiation on cavity formation in 18Cr10NiTi austenitic steel and its strengthened version

Kolodiy, I.V.; Karpov, S.A.; Kalchenko, A.S.; Kopanets, I.E.; Tikhonovsky, M.A.; Tolstolutskaya, G.D.; Velikodnyi, A.N.; Voyevodin, V.N. (Вопросы атомной науки и техники, 2020)

The swelling behavior of 18Cr10NiTi austenitic stainless steel and its strengthened by Y₂O₃-ZrO₂ nanooxides version irradiated with 1.4 MeV Ar-ions up to dose 30 displacements per atom (dpa) with simultaneously implanted ...
Effect of the matrix and filler phase composition on the erosion resistance of carbon-carbon composite materials fabricated by the gas-phase infiltration method

Gribanov, Yu.A.; Gurin, I.V.; Gujda, V.V.; Gujda, Yu.V. (Вопросы атомной науки и техники, 2020)

The erosion factor of the matrix and filler phase composition having influence on the C–C composite resistance has been shown. The main mechanisms of such an effect are determined and the steps of improving the functional ...
Effect of γ-irradiation on the structure of high density polyethylene composites with GaAs and GaAs<Te> fillers

Gadzhieva, N.N.; Akhmedova, G.B. (Вопросы атомной науки и техники, 2020)

IR-Fourier spectroscopy was used to study structural changes in γ-irradiated high density polyethylene composites with GaAs and GaAs<Te> semiconductor fillers at room temperature. From the dose dependence of the crystallinity ...
Influence of electrolyte on the zirconium electrolysis process for nuclear power engineering

Moravetsky, S.I.; Kasatkin, O.G.; Tsaryuk, A.K.; Kravets, V.P.; Goncharov, I.V.; Ivanko, A.V. (Вопросы атомной науки и техники, 2020)

The effect of welding method and technique on the HAZ microstructure in dissimilar welded joint of the type reactor vessel steel + deposited austenitic layer was investigated. The results of metallographic studies and bend ...
Influence of electrolyte on the zirconium electrolysis process for nuclear power engineering

Mukhachev, A.P.; Nefedov, V.G.; Kharytonova, О.А. (Вопросы атомной науки и техники, 2020)

The work presents the results of a study of the cathode and anode processes of zirconium electrolysis from molten electrolytes K₂ZrF₆–KCl–KF–KI and ZrF₄–KCl–KF. It is shown that the introduction of iodine compounds into ...
Influence of the magnitude of the bias potential and thickness of the layers on the structure, substructure, stress-deformed state and mechanical characteristics of vacuum-arc multi-layered (TiMo)N/(TiSi)N coatings

Sobol, O.V.; Postelnyk, H.O.; Meylekhov, A.A.; Subbotina, V.V.; Stolbovoy, V.A.; Dolomanov, A.V.; Kolesnikov, D.A.; Kovaleva, M.G.; Sukhorukova, Yu.V. (Вопросы атомной науки и техники, 2020)

Layers based on titanium nitride doped with molybdenum and silicon were used to create a multilayer composite. In this case, the mismatch between the lattice periods of (TiMo)N and (TiSi)N layers was about 1%. It was found ...
Monitoring of berillium content in waste water of nsc kipt before and after purification

Gordienko, Yu.A.; Mazilov, A.A.; Nikulina, V.Ya.; Sosipatrov, M.V.; Tkachenko, V.N. (Вопросы атомной науки и техники, 2020)

In this paper, the results of applied studies on beryllium content in waste water of NSC KIPT before and after purification are presented. The most optimal conditions of physicochemical processes used in the water treatment ...
New target assembly for solid samples irradiation in 11-MeV medical cyclotron

Bondar, B.M.; Kravchenko, A.V.; Mikhnytsky, I.B.; Kmetyuk, Ya.V. (Вопросы атомной науки и техники, 2020)

In this work we present the new target assembly developed for solid samples irradiation by protons with different energies at maximum of 11 MeV and 40 μA for current. The new target was designed and manufactured for ...
Radioactive metals in red mud

Kolobov, G.А.; Kirichenko, А.G.; Vodennikova, О.S.; Panova, V.О. (Вопросы атомной науки и техники, 2020)

The radioactivity of alumina production materials was analyzed. The main information on the content of radioactive metals in bauxite and red mud is presented. Technologies for the extraction of radioactive metals from red ...
Radiothermoluminescence of the γ-irradiated compositions of the ultra-high-molecular-weight polyethylene with nano-α-SiO₂

Maharramov, A.M.; Ismayilova, R.S.; Quliyev, M.M.; Mamedova, R.L. (Вопросы атомной науки и техники, 2020)

Radiothermoluminescence (RTL) of the ultra-high-molecular-weight polyethylene (UHMWPE) and nanocomposites obtained on its base via introduction of nanofiller α-SiO₂ (aerosil) to its volume is studied. Two relaxation processes ...
Simulation study of the digital temperature sensor operation in case of a non-standard mechanical impact of the NPP equipment

Bikovsky, Y.M.; Derevianko, O.V.; Levchenko, V.V.; Pogosov, A.Y. (Вопросы атомной науки и техники, 2020)

The article presents the results of an experimental study relevant to the effective organization of temperature control of thermomechanical equipment at nuclear power plants (turbines, pumps, steam generators, deaerators, ...
Structure and properties of Fe-B-C powders alloyed with Cr, V, Mo or Nb for plasma-sprayed coatings

Sukhova, O.V. (Вопросы атомной науки и техники, 2020)

In the present study, the microstructure development and properties of the starting Fe-B-C powders for plasma spraying fabricated by dispersing a consumable rotating rod were investigated as functions of alloying elements ...
Swelling of ferritic structural materials at high levels of damage doses and gas concentrations

Vasilenko, R.L.; Voyevodin, V.N.; Kalchenko, A.S.; Nazarenko, Y.O.; Pylypenko jr, M.M.; Solopikhina, E.S. (Вопросы атомной науки и техники, 2020)

Investigation results of the swelling behavior of three ferritic steels under conditions of simultaneous irradiation with 1.8 MeV Cr³⁺ ions and gases (helium or hydrogen) at peak swelling temperatures and doses to 50 and ...
The influence of 18Cr10NiTi and ODS 18Cr10NiTi austenitic stainless steels microstructure on the deuterium desorption

Kalchenko, A.S.; Ruzhytskyi, V.V.; Karpov, S.A.; Kolodiy, I.V.; Tikhonovsky, M.A.; Tolstolutskaya, G.D.; Velikodnyi, A.N.; Voyevodin, V.N. (Вопросы атомной науки и техники, 2020)

The thermal desorption spectra of deuterium from 18Cr10NiTi and ODS 18Cr10NiTi steel specimens irradiated with 10 keV D₂⁺ ions were examined. The influence of radiation damage on microstructure and accumulation of deuterium ...
The influence of mass and size effects on the radiolysis process of water in the BeO/H₂O suspended system by the γ-quanta

Jafarov, Y.D. (Вопросы атомной науки и техники, 2020)

The amount, formation rate and radiation-chemical yield of molecular hydrogen obtained from water radiolysis process within the system, have been defined according to both water and BeO by maintaining the water volume ...
Welding of defects in cast cases of turbines with perlite electrodes without heating and thermal processing

Efimenko, N.G.; Artyomova, S.V. (Вопросы атомной науки и техники, 2020)

The regularities of structural formation of the weld metal and HAZ during multilayer welding, made by the transverse humping method, with short sections of defects on cast steel 15Kh1M1FL with perlite electrodes without ...

Результати 1-17 з 17

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Перегляд Problems of Atomic Science and Technology, 2020, № 4 за назвою

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Перегляд Problems of Atomic Science and Technology, 2020, № 4 за назвою

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