Перегляд за автором "Voyevodin, V.N."

Результати 1-20 з 35

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Atomic density at high-angle grain boundaries in tungsten

Ksenofontov, V.A.; Mazilov, A.A.; Mazilova, T.I.; Sadanov, E.V.; Sokolenko, V.I.; Voyevodin, V.N.; Dudka, O.V.; Mikhailovskij, I.M. (Вопросы атомной науки и техники, 2011)

The oscillatory features of the atomic relaxation and the phenomenon of plane coalescence on high-angle grain boundaries in tungsten are studied by the methods of molecular statics and field ion microscopy. A nonmonotonic ...
Blistering of W, Ta and W-Ta coatings under the influence of particles of low-energy hydrogen plazma

Tolstolutskaya, G.D.; Kuprin, A.S.; Voyevodin, V.N.; Nikitin, A.V.; Ovcharenko, V.D.; Belous, V.A.; Vasilenko, R.L.; Kopanets, I.E. (Вопросы атомной науки и техники, 2017)

The surface topography and deuterium retention in W, Ta and W-Ta coatings under the influence of low-energy deuterium plasma was studied. It was observed formation of blisters as dome and burst or delaminated structures. ...
Characterization of dislocation type defects formed at low-energy deuterium irradiation of SS316 stainless steel

Sungurov, B.S.; Tolstolutskaya, G.D.; Karpov, S.A.; Ruzhytskiy, V.V.; Voyevodin, V.N. (Вопросы атомной науки и техники, 2018)

The nature of small point defect clusters in SS316 austenitic stainless steel irradiated with deuterium ions at room temperature was identified from their behavior under annealing. In this analysis, the defect clusters ...
Comments on dpa calculation methods for ion beam driven simulation irradiations

Bratchenko, M.I.; Bryk, V.V.; Dyuldya, S.V.; Kalchenko, A.S.; Lazarev, N.P.; Voyevodin, V.N. (Вопросы атомной науки и техники, 2013)

The methodology of application of computer simulation technique to the NSC KIPT advanced simulation studies of radiation materials science at charged particles accelerators is considered with due account of the conformance ...
Comparison of blistering of W bulk and coatings under H₂, D₂ and He plasma irradiation

Nikitin, A.V.; Kuprin, A.S.; Tolstolutskaya, G.D.; Vasilenko, R.L.; Ovcharenko, V.D.; Voyevodin, V.N. (Вопросы атомной науки и техники, 2018)

The surface topography of W bulk prepared by powder sintering (20 μm thickness) and W coatings deposited by cathodic arc evaporation and by argon ion sputtering was studied under the influence of low-energy hydrogen (deuterium) ...
Determination of the energy of solution of a helium atom at grain boundaries of general type

Mazilova, T.I.; Sadanov, E.V.; Voyevodin, V.N.; Dudka, O.V.; Mazilov, A.A.; Mikhailovskij, I.M. (Вопросы атомной науки и техники, 2013)

The relation between the potential energy of grain boundaries of general type and the value of dilatation of grain boundaries was determined by method of mathematical modeling in reciprocal space in tungsten. It is shown, ...
Deuterium trapping and sputtering of tungsten coatings exposed to low-energy deuterium plasma

Tolstolutskaya, G.D.; Kuprin, A.S.; Nikitin, A.V.; Kopanets, I.E.; Voyevodin, V.N.; Kolodiy, I.V.; Vasilenko, R.L.; Ilchenko, A.V. (Вопросы атомной науки и техники, 2020)

Processes of sputtering, surface modification and deuterium retention of tungsten coatings were studied under the influence of low-energy (500 eV) deuterium plasma with fluence (2·10²⁴D+/m²) at room temperature. The method ...
Effect of argon-ion irradiation on cavity formation and evolution in 18Cr10NiTi austenitic steel

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

The swelling behavior of 18Cr10NiTi austenitic stainless steel irradiated with energetic Ar-ions in the dose range of 40…105 displacements per atom (dpa) with simultaneously implanted argon to the levels of 0.08…6.3 at.% ...
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 argon ion irradiation on hardening and microstructure of ferritic-martensitic steel T91

Voyevodin, V.N.; Tolstolutskaya, G.D.; Karpov, S.A.; Tikhonovsky, M.A.; Tolmachova, G.N.; Kalchenko, A.S.; Vasilenko, R.L.; Kopanets, I.E. (Вопросы атомной науки и техники, 2019)

Ferritic-martensitic steel T91 was irradiated with 1.4 MeV Ar⁺ ions to doses from 0.5 to 7 displacements per atom (dpa) at room temperature. Microstructure characterization was performed using transmission electron microscopy ...
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 ...
Effect of severe plastic deformation on radiation hardening of T91 ferritic-martensitic steel

Voyevodin, V.N.; Tolstolutskaya, G.D.; Karpov, S.A.; Velikodnyi, A.N.; Tikhonovsky, M.A.; Kalchenko, A.S.; Tolmachova, G.N.; Vasilenko, R.L.; Kopanets, I.E. (Вопросы атомной науки и техники, 2021)

Effect of thermomechanical treatment on radiation hardening behavior in T91 ferritic-martensitic steel was evaluated. An applying of severe plastic deformation (SPD) by the “upsetting-extrusion” method and subsequent heat ...
Evolution of over-conductivity of YВа₂Сu₃О₇-δ single crystals under the exposure of irradiation by high-energy electrons

Azarenkov, N.A.; Voyevodin, V.N.; Vovk, R.V.; Vovk, N.R.; Khadzhai, G.Ya.; Kamchatnaya, S.N. (Вопросы атомной науки и техники, 2020)

The evolution of the excess conductivity of YВа₂Сu₃О₇-δ single crystals upon electron irradiation is investigated. It was shown that electron irradiation leads to a significant expansion of the temperature range for the ...
Facility for modeling the interactions effects of neutrons fluxes with materials of nuclear reactors: main characteristics and capabilities

Shevtsov, A.B.; Bryk, V.V.; Kupriiyanova, Y.E.; Voyevodin, V.N. (Вопросы атомной науки и техники, 2015)

A triple beam ion irradiation facility has been developed to study the synergistic effects of displacement damage, helium and hydrogen on microstructure changes on structural materials under environments representative for ...
Hardening of Cr-Fe-Ni-Mn high-entropy alloys caused by the irradiation with argon ions

Tolstolutskaya, G.D.; Rostova, G.Y.; Voyevodin, V.N.; Velikodnyi, A.N.; Tikhonovsky, M.A.; Tolmachova, G.N.; Kalchenko, A.S.; Vasilenko, R.L.; Kopanets, I.E. (Вопросы атомной науки и техники, 2017)

Nanoindentation was used to measure the ion irradiation effect on hardening of Cr-Fe-Ni-Mn high-entropy alloys with different composition. Alloys were irradiated with 1.4 MeV Ar ions at room temperatures and midrange doses ...
High-entropy alloys as a prospective class of new radiation-tolerant materials research development analysis based on the information databases

Levenets, A.V.; Tikhonovsky, M.A.; Voyevodin, V.N.; Shepelev, A.G.; Nemashkalo, O.V. (Вопросы атомной науки и техники, 2021)

A new class of metallic materials, so-called high-entropy alloys (HEAs), was under review. Various definitions of these alloys are given, their main differences from the conventional alloys are indicated and the dynamics ...
Influence of environmental conditions on microstructure development and swelling in irradiated austenitic stainless steels

Voyevodin, V.N.; Garner, F.; Lazarev, N.P.; Kalchenko, A.S.; Udalova, N.A. (Вопросы атомной науки и техники, 2005)

Investigation and analysis of environmental conditions and swelling behaviour in irradiated austenitic stainless steels were done. Influence of dose rate, effects of stress and temperature history on microstructural evolution ...
Low-temperature anomalies of the hardened tin conductivity

Voyevodin, V.N.; Sokolenko, V.I.; Frolov, V.A. (Functional Materials, 2015)

The low-temperature anomalies of conductivity of tin's filaments obtained by cooling of the melt from T ~ (800-900) K with velocity v ~ 10² K/sec are investigated. The samples showed signs of hardening demonstrate the ...
Mechanisms of radiation damage and development of structural materials for operating and advanced nuclear reactors

Voyevodin, V.N.; Tolstolutskaya, G.D.; Tikhonovsky, M.A.; Kuprin, A.S.; Kalchenko, A.S. (Вопросы атомной науки и техники, 2021)

Safety of nuclear reactor (NR) and economic of nuclear power are determined to high degree by structural materials. Study of reasons of change of physical-mechanical properties of materials and of their dimensional stability ...
Peculiarities of kinetic and mechanical properties of high-entropy alloy Аl₀.₅CoCuCrNiFe in range ~ 300…77 К

Voyevodin, V.N.; Frolov, V.A.; Karaseva, E.V.; Savchuk, E.V.; Sokolenko, V.I.; Tikhonovskaya, Т.M.; Tortika, A.S. (Вопросы атомной науки и техники, 2020)

The temperature dependences of the fundamental kinetic coefficients and the creep rate of steady-state plastic flow of the high-entropy alloy Аl₀.₅CoCuCrNiFe have been determined for interval ~ 300…77 К. The correlation ...

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