Перегляд за темою "Physics and technology of structural materials"

Результати 1-20 з 29

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About experimental discovery of type II superconductivity

Shepelev, A. (Вопросы атомной науки и техники, 2022)

The date and authorship of the experimental discovery of the phenomenon of type II superconductivity is specified. “It is a fascinating testament to Shubnikov's great originality and to the terrible times that deprived him ...
Actinides filtering out in the demo-imitation separator with a magnetic field of a given configuration

Yuferov, V.B.; Katrechko, V.V.; Ilichova, V.O.; Khizhnyak, S.N. (Вопросы атомной науки и техники, 2022)

To simulate spent nuclear fuel (SNF) cleaning up from fission products, the concept of a demonstration-imitation separator (DIS) with a plasma rotating in crossed electric and magnetic fields is being clarified. The ...
Comparison of corrosion of aluminum-based alloys forming decagonal quasicrystals in NaCl solution

Polonskyy, V.A.; Sukhova, O.V. (Вопросы атомной науки и техники, 2022)

In this work corrosion behavior of the A₁₇₂Co₁₈Ni₁₀, A₁₆₅Co₂₀Cu₁₅, and A₁₇₂Fe₁₅Ni₁₃ alloys forming decagonal quasicrystalline phases was tested in the neutral NaCl solution (pH = 7) which allows a comparison of their ...
Computational dosimetry and post-irradiation studies of the electron beam irradiation-assisted corrosion and stress corrosion cracking of statically strained steel samples in a supercritical water coolant

Bakai, O.S.; Boriskin, V.M.; Bratchenko, M.I.; Dyuldya, S.V. (Вопросы атомной науки и техники, 2022)

New experimental data on the corrosion behavior of the 12X18H10T austenitic steel elastically strained cou-pons after 500 h long exposure in situ the NSC KIPT “Electron Irradiation Test Facility” supercritical water ...
Computer simulation of thermal and hydraulic processes in NPP steam generator channels on the basis of interval-iterative method

Yefimov, O.V.; Pylypenko, M.M.; Potanina, T.V.; Kavertsev, V.L.; Harkusha, T.A.; Yesypenko, T.O. (Вопросы атомной науки и техники, 2022)

The designing of NPP steam generators, which are complex technical systems, requires a large number of variant calculations, as result of which must be obtained both optimal integral characteristics of steam generators ...
Creep of VT1-0 alloy in different structural states

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

The effect of electrons irradiation with an energy of E = 10 MeV and a dose of D = 5·10¹⁹ сm⁻² on the structure evolution and creep of alloy VT1-0 in initial and nanostructured states obtained by the IPD method has been ...
Determination of the dependence of the NPP unit power on the steam temperature at the outlet of the superheater separator first stage with an uncertainty of information

Yefimov, O.V.; Potanina, Т.V. (Вопросы атомной науки и техники, 2022)

The article discusses the application of the standard statistical approach and interval analysis procedures to the estimation of the parameters of the dependence of the power of an NPP power unit on the steam temperature ...
Effect of ausforming on mechanical properties of 12%Cr ferritic/martensitic steel

Kislyak, I.F.; Rostova, H.Yu.; Andrievskaya, N.F.; Kalchenko, A.S.; Okovit, V.S.; Tikhonovsky, M.A.; Vasilenko, R.L.; Tantsiura, I.G.; Panov, V.A. (Вопросы атомной науки и техники, 2022)

Effects of ausforming through upsetting at 890 °C and following tempering on microstructure and mechanical properties under uniaxial tension of 12CrWMoNbVB ferritic/martensitic steel are studied. Electron microscopic ...
Formation of step density shock waves on vicinal NaCl(100) growth surfaces

Kulyk, O.P.; Podshyvalova, O.V.; Andrieieva, O.L.; Tkachenko, V.I.; Gnatyuk, V.A.; Aoki, T. (Вопросы атомной науки и техники, 2022)

The morphology of the growth surface near NaCl(100), formed during the pore motion in a crystal due to the temperature gradient, has been studied by the electron microscopic method of vacuum decoration. It is shown that ...
High-field forming of tungsten surface by evaporation in liquid nitrogen

Sadanov, E.V.; Mazilov, A.A.; Gordienko, J.A.; Mazilova, T.I.; Mikhailovskij, I.M. (Вопросы атомной науки и техники, 2022)

The basic obstacle to the application of the method of low-temperature field evaporation is the necessity of the creation of superhigh electric fields on the surface of the processing object. There are problems connected ...
Improving the quality condition of the structure of welded joints made of rotor steel

Dmytryk, V.V.; Skulsky, V.Yu.; Kasyanenko, I.V.; Vavilov, O.V.; Kantor, O.G. (Вопросы атомной науки и техники, 2022)

The solution to the problem of increasing the reliability and service life of the welded joint of the rotor involved obtaining its original structure with improved quality characteristics. Obtaining was achieved by improving ...
Increasing the corrosion resistance of welded joints of heat-resistant nickel alloy with steel

Bolshakov, V.I.; Kalinin, O.V.; Kalinina, N.E.; Hlushkova, D.B.; Voronkov, O.I.; Ryzhkov, Y.V.; Stepanyuk, A.I. (Вопросы атомной науки и техники, 2022)

For parts and assemblies of a turbopump unit (TPU) and a liquid rocket engine, welded joints of steel and heat-resistant alloys are used. Considering that the search for replacements by several materials at once, the study ...
Influence of iron additives on the corrosion resistance of the Zr-1%Nb alloy under operating conditions of a nuclear reactor

Pylypenko, M.M.; Drobyshevska, A.O.; Zuyok, V.A. (Вопросы атомной науки и техники, 2022)

This paper presents experimental data of the study of the influence of iron microadditives on the evolution of the structure of the Zr-1%Nb alloy and its corrosion properties with increasing iron content. It is shown that ...
Interval models of temperature characteristics of superheater separators in nuclear power plant units with the capacity of 1000 MW

Yefimov, O.V.; Potanina, T.V.; Kavertsev, V.L.; Harkusha, T.A.; Yesypenko, Т.O. (Вопросы атомной науки и техники, 2022)

The analysis of the influence of changes in the parameters of steam superheater separators SHS-1000 of nuclear power plant units with the capacity of 1000 MW on the efficiency and safety of their operation, including the ...
Mathematical relationships of models of two-phase flows in channels of reactors and steam generators of NPP's for the calculation of their hydrodynamic characteristics

Yefimov, О.V.; Pylypenko, M.M.; Kavertsev, V.L.; Harkusha, T.A.; Yesypenko, T.O. (Вопросы атомной науки и техники, 2022)

Two-phase flows of the working substance in the steam-generating channels of reactors of single-circuit NPP’s and steam generators of two- and three-circuit NPP’s represent the joint movement of liquid (feed water) and ...
Mathematical relations of models of single-phase flows in the channels of reactors and steam generators of NPP's for calculation of heat transfer processes and hydrodynamic characteristics

Yefimov, O.V.; Pylypenko, M.M.; Kavertsev, V.L.; Harkusha, T.A.; Tiutiunyk, L.J.; Motovilnik, A.V. (Вопросы атомной науки и техники, 2022)

The article presents the mathematical relationships of models of single-phase flows in channels of a other design for calculating the parameters of heat transfer processes and hydrodynamic (gas-dynamic) characteristics of ...
Microplasticity of 15Kh2NMFA vessel steel in a stress-strain state during magnetic treatment

Chernyak, N.A.; Sokolenko, V.I. (Вопросы атомной науки и техники, 2022)

Earlier it was found that the treatment of pre-strained ferrite-pearlite vessel steel 15Kh2NMFA, welded joints of this steel by alternating magnetic field of industrial frequency leads to a decrease in the level and alignment ...
Modification of the structurally the phase state of aluminum alloy as a result of radiation thermal treatment

Prokhorenko, E.M.; Lytvynenko, V.V.; Bryukhovetskiy, V.V.; Shul’gin, N.A.; Kolodiy, I.V.; Tantsyura, I.G.; Prokhorenko, T.G. (Вопросы атомной науки и техники, 2022)

The effect of relativistic electron beams on the change in the structure of the 2014 aluminum alloy was studied. The mechanical characteristics (hardness, ultimate strength, conditional yield stress) of the samples were ...
ᵃʳᶜʰPbWO₄ with improved optical parameters from archaeological lead

Yakubovskaya, A.G.; Tupitsyna, I.A.; Dubovik, A.M. (Вопросы атомной науки и техники, 2022)

Technological principles of manufacturing a lead tungstate crystal from archaeological lead for use in low-background experiments to search for rare events are presented. The influence of the conditions for obtaining single ...
Peculiarities of the formation of a hardened layer during laser borinizing of piston rings

Hlushkova, D.B.; Ryzhkov, Y.V.; Kalinina, N.E.; Nosova, T.V. (Вопросы атомной науки и техники, 2022)

Insufficient wear resistance of piston ring materials often limits the growth of machine productivity and service life. The use of traditional drilling methods associated with the diffusion of boron into the solid phase ...

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