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Перегляд Problems of Atomic Science and Technology, 2022, № 4 за назвою

Перегляд Problems of Atomic Science and Technology, 2022, № 4 за назвою

Результати 1-20 з 25

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A review: ferritic-martensitic steels – treatment, structure and mechanical properties

Rostova, H.Yu.; Tolstolutska, G.D. (Вопросы атомной науки и техники, 2022)

The constantly growing consumption of electricity requires the development and implementation of more powerful and energy-intensive systems of the new generation. Fusion and fission reactors of the 4th generation (Gen-IV) ...
Assessment of the corrosion resistance of the main alternative materials for light water reactors tolerant fuel rod cladding

Zuyok, V.; Rud, R.; Tretyakov, M.; Rud, N.; Kushtym, Y.; Dykyy, I.; Shevchenko, I.; Rostova, H.; Shtefan, V. (Вопросы атомной науки и техники, 2022)

Basic materials for nuclear fuel rod claddings (Zr+1%Nb and E110 alloys), as well as alternative materials for tolerant fuel rod claddings (Cr18Ni10Тi steel and 42CrNiМo alloy), that are able to maximally prevent the ...
Cavitation and erosion resistance of vacuum arc Ti, Ti-Al, Ti-Zr, and Ti-Ni coatings

Klimenko, І.О.; Marinin, V.G.; Bortnitskaya, M.A.; Kuprin, A.S. (Вопросы атомной науки и техники, 2022)

Studies on the influence of technological parameters (cathode-substrate distance, substrate temperature, bias voltage, arc current) of vacuum-arc titanium deposition coatings have shown that the deposition rate from one ...
Creation of various structures, including nanometer scale, and investigation of mechanical and dissipative properties of VT6 titanium alloy

Sokolenko, V.I.; Mats, A.V.; Okovit, V.S.; Kalinovsky, V.V.; Khaimovich, P.A.; Shulgin, N.A. (Вопросы атомной науки и техники, 2022)

With the use of cryogenic deformations by rolling and quasi-hydroextrusion, as well as annealing up to 723 K, various structures, including nanometer ones, were created in ultrafine-grained (UFG) titanium alloy of the VT6 ...
Delving into some specific features of the magnetic systems used for the plasma recycling of the spent nuclear fuel (SNF)

Yuferov, V.B.; Katrechko, V.V.; Vinnikov, D.V.; Tkachev, V.I.; Sorokina, D.D. (Вопросы атомной науки и техники, 2022)

Consideration was given to some specific issues of the development of magnetic systems intended for the SNF plasma separators to separate, extract and deposit the actinides and also to magnetic systems of a different ...
Effect of arc current on mechanical properties of AlCrN coatings deposited using cathodic arc evaporation

Warcholinski, B.; Gilewicz, A.; Kuprin, A.S. (Вопросы атомной науки и техники, 2022)

The AlCrN coatings were formed using cathodic arc evaporation at constant nitrogen pressure and arc current ranged from 50 to 120 A. Scanning electron microscopy, energy dispersive analysis, X-ray diffractometry, ...
Effect of iron on evolution of the structure of alloy Zr-1%Nb under ion irradiation

Pylypenko, M.M.; Vasilenko, R.L.; Drobyshevska, A.O. (Вопросы атомной науки и техники, 2022)

This paper presents experimental data of the study of the influence of Fe alloying on the changes of the structure of the Zr-1%Nb alloy and evolution of the structure of this alloy under ion irradiation. It is shown that ...
Effect of nitrogen pressure on the structural and mechanical properties of V-Mo-N coatings deposited by cathodic arc evaporation

Kuprin, A.S.; Reshetnyak, E.N.; Gilewicz, A.; Warcholinski, B.; Vasilenko, R.L.; Rostova, H.Yu.; Klimenko, I.O.; Tolmachova, G.N.; Ilchenko, A.V. (Вопросы атомной науки и техники, 2022)

The coatings of the V-Mo-N system were deposited by the cathodic arc evaporation method from the unfiltered plasma of two V and Mo cathodes. Electron microscopy, energy dispersive analysis, X-ray diffractometry, nanoindentation, ...
Efficiency of combined Fe and Pb radiation shield of transport casks for SNF transportation

Rudychev, V.G.; Azarenkov, M.O.; Girka, I.O.; Rudychev, Y.V. (Вопросы атомной науки и техники, 2022)

The possibility of increasing the efficiency of combined iron and lead shielding of transport containers (TC) for SNF transportation by railroad is studied. Models for the transport of SNF γ-quanta are developed, that make ...
Electrodeposition of chromoxide coatings from electrolytes modified with SiO₂·nH₂O

Shtefan, V.V.; Balamut, N.S.; Kanunnikova, N.A.; Shcholokova, А.S.; Zuyok, V.A.; Grudnitskii, V.V.; Vasilenko, R.L. (Вопросы атомной науки и техники, 2022)

To increase the corrosion resistance of stainless steel from local types of corrosion, chromium oxide coatings obtained from electrolytes modified with SiO₂·nH₂O were applied to its surface. It has been established that ...
Electrodeposition of chromoxide coatings from electrolytes modified with SiO₂·nH₂O

Shtefan, V.V.; Balamut, N.S.; Kanunnikova, N.A.; Shcholokova, А.S.; Zuyok, V.A.; Grudnitskii, V.V.; Vasilenko, R.L. (Вопросы атомной науки и техники, 2022)

To increase the corrosion resistance of stainless steel from local types of corrosion, chromium oxide coatings obtained from electrolytes modified with SiO₂·nH₂O were applied to its surface. It has been established that ...
Formation of nanoclusters in the transition of carbon dioxide to the supercritical state

Borts, B.V.; Skoromnaya, S.F.; Tkachenko, I.V.; Tkachenko, V.I. (Вопросы атомной науки и техники, 2022)

Supercritical fluid extraction (SFE) with CO₂ is widely used to extract biological materials, metal complexes and their isotopes. Supercritical CO₂ (SC-CO₂) is an environmentally friendly, efficient, and affordable solvent. ...
Helium and hydrogen effects in structural materials for nuclear applications

Karpov, S.A.; Tolstolutska, G.D. (Вопросы атомной науки и техники, 2022)

Displacement cascades produce a variety of defects under reactor conditions, but of particular concern is the simultaneous production of helium (He) and hydrogen (H), which enhances the degradation of structural materials. ...
Increasing the corrosion resistance of heat-resistant alloys for parts of power equipment

Vahrusheva, V.S.; Hlushkova, D.B.; Volchuk, V.M.; Nosova, T.V.; Mamhur, S.I.; Tsokur, N.I.; Bagrov, V.A.; Demchenko, S.V.; Ryzhkov, Yu.V.; Scrypnikov, V.O. (Вопросы атомной науки и техники, 2022)

For the manufacture of parts and assemblies of the turbopump unit of details of power equipment, welded joints with corrosion resistant steels and heat-resistant alloys are used, requiring various modes heat treatment to ...
Mechanical and acoustic characteristics of oxidized, nitrided and oxynitrided Zr-1%Nb zirconium alloy

Trush, V.S.; Pylypenko, M.M.; Stoev, P.I.; Lavrys, S.M.; Kravchyshyn, T.M.; Luk’yanenko, O.H.; Tikhonovsky, M.A. (Вопросы атомной науки и техники, 2022)

The effect of the gaseous medium composition during thermo-chemical treatment (TCT) on the mechanical properties and acoustic parameters of Zr-1%Nb zirconium alloy was studied. It is shown that TCT in oxygen-nitrogen ...
Modification of structure and properties of nanostructured VT1-0 titanium alloy under ultrasonic influence

Savchuk, E.S.; Sokolenko, V.I.; Karaseva, E.V.; Mats, A.V.; Frolov, V.A. (Вопросы атомной науки и техники, 2022)

The effect of ultrasonic influence on the structure evolution and creep of nanostructured titanium alloy of the grade VT1-0 obtained by the method of severe plastic deformation has been studied. It is shown that ultrasonic ...
Optimization of the bremsstrahlung converter

Rudychev, V.G.; Azarenkov, M.O.; Girka, I.O.; Lazurik, V.T.; Rudychev, Y.V. (Вопросы атомной науки и техники, 2022)

Variants of the formation of bremsstrahlung (BS) distributions along an extended converter, which ensures the maximum thickness of an object under two-sided and four-sided irradiation, are studied. For the target of the ...
Research by direct methods of the base metal of main circulation pipeline of the power unit 3 of the south ukraine NPP after 200 thousand hours of operation

Vasilenko, R.L.; Gozhenko, S.V.; Krainyuk, Y.A.; Rudenko, O.G. (Вопросы атомной науки и техники, 2022)

The base metal (BM) of the main circulation pipeline (MCP) of the unit 3 of the South Ukraine NPP, which has been in operation for 200 thousand hours, was investigated by direct methods. It is shown that the mechanical ...
Small size “DI-2” accelerator with the plasma current switch and inductive energy accum ulator as a material irradiation test rig

Yuferov, V.B.; Skibenko, E.I.; Buravilov, I.V.; Svichkar, А.S.; Ponamoriev, А.N.; Katrechko, V.V.; Nikulshina, V.V. (Вопросы атомной науки и техники, 2022)

This scientific paper delves into the basic characteristics of the updated “DI-2” accelerator, i.e., currents, voltages and pulse duration as a function of a delay time between the pulses generated by the major pulse current ...
Structural stability of Ti-N and Zr-N coatings at emission tests in mode of pulses

Shirokov, B.M.; Malykhin, D.G.; Zhuravlyov, A.Yu. (Вопросы атомной науки и техники, 2022)

In this work, stability of titanium and zirconium nitride coatings deposited on steel and molybdenum was studied. The phase composition of nitride coatings was studied by X-ray method before and after emission testing in ...

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Перегляд Problems of Atomic Science and Technology, 2022, № 4 за назвою

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Перегляд Problems of Atomic Science and Technology, 2022, № 4 за назвою

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