Перегляд за темою "Физика радиационных повреждений и явлений в твердых телах"

Результати 1-20 з 287

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Analytical model for intergrain expansion and cleavage: random grain boundaries

Mazilova, T.I.; Sadanov, E.V.; Dudka, O.V.; Ksenofontov, V.A.; Starchenko, I.V.; Velicodnaya, O.A. (Вопросы атомной науки и техники, 2014)

A description of rigid-body grain boundary relaxation and cleavage in tungsten is performed using a pair-wise Morse interatomic potential in real and reciprocal spaces. Cleavage energies and grain boundary dilatation of ...
Angular and magnetic field dependences of critical current in irradiated YBaCuO single crystals

Petrusenko, Y. (2010)

The investigation of mechanisms responsible for the current-carrying capability of irradiated high-temperature superconductors (HTSC) was realized. For the purpose, experiments were made to investigate the effect of point ...
Application of hydrogen embritlement models to the blister growth behavior in 12Cr2MoNbVB steel and α -Fe exposed to low-energy D plasma

Nikitin, A.V.; Tolstolutskaya, G.D.; Ruzhytskiy, V.V.; Kopanets, I.E.; Karpov, S.A.; Vasilenko, R.L.; Rostova, G.Y.; Rybalchenko, N.D.; Sungurov, B.S. (Вопросы атомной науки и техники, 2017)

Processes of blisters and associated subsurface cracks nucleation during exposure of 12Cr2MoNbVB ferritic-martensitic steel and α-Fe under glow discharge hydrogen (deuterium) plasma with ion energies of ~ 1 keV and ion ...
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 ...
Calculation of the frequency electronic transmission factors at the passage through the polymeric polyimide composite material filled by bismuth silicate

Pavlenko, А.V.; Cherkashina, N.I.; Yastrebinski, R.N.; Noskov, A.V. (Вопросы атомной науки и техники, 2017)

In this paper, a theoretical evaluation of the interaction of fast electrons with a polymer polyimide composite filled with bismuth silicate was carried out, calculations were carried out for the specific energy losses of ...
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) ...
Cooperative effect of displacement damage and inert gas impurities on deuterium retention in austenitic and ferritic-martensitic steels

Karpov, S.A.; Kopanets, I.E.; Ruzhytskyi, V.V.; Sungurov, B.S.; Tolstolutskaya, G.D. (Вопросы атомной науки и техники, 2014)

The behaviour of hydrogen (deuterium) in austenitic 18Cr10NiTi stainless steel and ferritic/martensitic steels EP-450 and EI-852 were investigated. Energetic heavy-ion irradiation has been used for modeling defect cluster ...
Defects formation in spinel crystals under electron and gamma beam irradiation

Gokov, S.P.; Gritsyna, V.T.; Kochetov, S.S.; Kasilov, V.I.; Kazarinov, Yu.G. (Вопросы атомной науки и техники, 2009)

There were investigated the optical absorption centers formation in magnesium aluminate spinel crystals at the action of high energy gamma or electron beams. It was revealed that at gamma irradiation the most probably the ...
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, ...
Determination of the spectra of ion He and H₂ bombardment of autoemitter surface

Mazilov, A.A. (Вопросы атомной науки и техники, 2015)

Analytical consideration and numerical calculations of the parameters describing the operating conditions of field electron emitters and the spectra of the ion bombardment of emitting surface are adduced. Based on the ...
DLTS - спектроскопия водородосодержащих дефектовв облученном n-кремнии

Комаров, Б.А. (Вопросы атомной науки и техники, 2001)

Методами емкостной спектроскопии исследованы процессы эмиссии и захвата электронов радиационными дефектами, введенными облучением быстрыми электронами в гидрогенизированный кремний n-типа, прошедший температурную обработку ...
Effect of alternating magnetic field on creep of irradiated vessel steel 15Kh2NMFA

Dovbnya, A.N.; Sokolenko, V.I.; Karaseva, E.V.; Mats, A.V.; Mats, V.A.; Savchuk, E.S. (Вопросы атомной науки и техники, 2014)

The influence of alternating magnetic field on the creep at 600 K of irradiated vessel steel 15Kh2NMFA was studied. Structural investigations of the steel specimens after various actions were carried out. It is shown that ...
Electronic structure of С₆₀ derivatives at π-conjugation breaking in models С₆₀Н₂, С₆₀-С₂Н₄, С₆₀-С₅Н₇N, С₆₀-С-(СН₃)₂, and C₅₉

Pavlenko, O.L.; Kulish, M.P.; Dmytrenko, O.P.; Zarytska, A.M.; Sendiuk, V.A.; Kachkovsky, O.D. (Вопросы атомной науки и техники, 2018)

The quantum-chemical calculations were applied for study of changes in the electron structure occurring in fullerene derivatives С₆₀Н₂, С₆₀-С₂Н₄, С₆₀-С₅Н₇N, С₆₀-С-(СН₃)₂, and C₅₉ molecules, which are convenient model ...
Fe-Ni invar alloy: an example of fractal decomposition?

Abromeit, C.; Ananthakrishna, G. (Вопросы атомной науки и техники, 2005)

The important experimental results of irradiated and unirradiated Ni-Fe alloys and some approaches to explain the various contradictory behaviours are discussed. We outline the known results of the scattering experiments ...
Fracture toughness and tensile properties of two titanium alloys befor and after proton and neutron irradiations at 150°C

Marmy, P. (Вопросы атомной науки и техники, 2005)

Two titanium alloys, the α+β Ti6Al4V and the α phase Ti5Al2.5Sn alloy, have been irradiated at 150°C with neutrons, in the reactor of the Atomic Energy Research Institute, in Budapest and with 590 MeV protons in the PIREX ...
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 ...
Influence of nanocatalyst size on hydrogen formation during water radiolysis under ionizing radiation at room temperature

Mahmudov, H.M.; Ismayilova, M.K.; Hasanova, S.A.; Aliyev, S.M.; Akberov, O.E.; Azizova, K.V.; Jafarova, N.A. (Вопросы атомной науки и техники, 2016)

Formation of molecular hydrogen during radiolysis of water with Al²O³ nanoparticles of various sizes is investigated. It was found that the molecular hydrogen yield depends on size of the catalyst. The yield of molecular ...
Influence of radiation-induced defects on CdTe and CdZnTe detectors properties

Kondrik, A.I. (Вопросы атомной науки и техники, 2015)

The correlation between radiation-induced defects, arising in CdTe:Cl and CdZnTe after the hard X-ray irradiation, and charges collection efficiency of detectors based on these materials has been investigated by means of ...

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