Search Results - "Rozhnov, A. A."

Cyclic Strength of the Zr–1% Nb Alloy after Equal Channel Angular Pressing by Rozhnov, A. B., Rogachev, S. O., Alsheikh, Khanan, Prosvirnin, D. V.

“…The effect of equal channel angular pressing (ECAP) on the structure, static, and cyclic strength of zirconium alloy E110 (Zr–1% Nb) is studied. The ECAP…”
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Proving the viability of manufacturing of multi-layer steel/vanadium alloy/steel composite tubes by numerical simulations and experiment by Nechaykina, T., Nikulin, S., Rozhnov, A., Molotnikov, A., Zavodchikov, S., Estrin, Y.

“…Vanadium alloys are promising structural materials for fuel cladding tubes for fast-neutron reactors. However, high solubility of oxygen and nitrogen in…”
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Multilayer “Steel/Vanadium Alloy/Steel” Hybrid Material Obtained by High-Pressure Torsion at Different Temperatures by Rogachev, S. O., Nikulin, S. A., Rozhnov, A. B., Khatkevich, V. M., Nechaykina, T. A., Gorshenkov, M. V., Sundeev, R. V.

“…The severe plastic deformation (SPD) method for joining dissimilar metal materials to obtain a multilayer hybrid material having an ultrafine or nanoscale…”
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Effect of Impurity and Alloying Elements on the High-Temperature Oxidation Resistance of a E110 Zirconium Alloy by Rozhnov, A. B., Nikulin, S. A., Belov, V. A., Li, E. V.

“…The structural and phase states of a E110 alloy are studied, and the oxygen and hydrogen contents in the alloy subjected to high-temperature oxidation modeling…”
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Technique of Combined Estimation of the Embrittlement of E110 Zirconium Alloys under High-Temperature Oxidation Conditions by Nikulin, S. A., Li, E. V., Rozhnov, A. B., Belov, V. A.

“…The embrittlement resistance of the claddings made of an E110 zirconium alloy of various degrees of purity under high-temperature oxidation conditions close to…”
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Fracture resistance of Zr–Nb alloys under low-cycle fatigue tests by Nikulin, S.A., Rozhnov, A.B., Gusev, A.Yu, Nechaykina, T.A., Rogachev, S.O., Zadorozhnyy, M.Yu

“…•Low-cycle fatigue tests of Zr–Nb alloys using DMA have been carried out.•The characteristics of low-cycle fatigue of the Zr–Nb alloy at 25/350°C were…”
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Effect of heat treatment on the structure and mechanical properties of 0.08%C–17.0%Cr–0.8%Ti steel after “internal” nitriding by Nikulin, S.A., Rogachev, S.O., Khatkevich, V.M., Rozhnov, A.B., Nechaykina, T.A.

“…•Internal nitriding of ferritic stainless steel leads to significant hardening of the steel.•In the structure of the steel the precipitation of Cr2N particles…”
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Influence of chemical composition of zirconium alloy E110 on embrittlement under LOCA conditions – Part 1: Oxidation kinetics and macrocharacteristics of structure and fracture by Nikulin, S.A., Rozhnov, A.B., Belov, V.A., Li, E.V., Glazkina, V.S.

“…► Breakaway oxidation effect in electrolytic-based alloys E110 and E110M was observed. ► No breakaway oxidation was observed in E110G alloy produced on a…”
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Effect of torsion conditions under high pressure on the structure and strengthening of the Zr–1% Nb alloy by Rogachev, S. O., Rozhnov, A. B., Nikulin, S. A., Rybal’chenko, O. V., Gorshenkov, M. V., Chzhen, V. G., Dobatkin, S. V.

“…The effect of temperature and degree of deformation upon severe plastic deformation by torsion under a high pressure on the structure, phase composition, and…”
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Structure and Mechanical Properties of a Three-Layer Steel/Vanadium Alloy/Steel Material After Radial Forging by Nikulin, S. A., Nechaikina, T. A., Rozhnov, A. B., Rogachev, S. O., Turilina, V. Yu

“…The methods of optical and electron microscopy are used to study the structure of specimens of a three-layer material based on vanadium alloy V – 4% Ti – 4%Cr…”
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Complex Analysis of Fracture of Solebars in Different Strength States Using Measurements of Acoustic Emission by Nikulin, S. A., Rozhnov, A. B., Nikitin, A. V., Khanzhin, V. G., Rogachev, S. O., Turilina, V. Yu, Anikeenko, V. I.

“…Joint analysis of acoustic emission (AE), strain diagrams, structures and fractures is used to study the kinetics and mechanisms of fracture of specimens,…”
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Application of elastically deformed test samples for measuring stresses using a hand-held X-ray diffractometer by Shitkin, S. L., Rozhnov, A. B., Matveev, D. B., Kotelkin, A. V.

“…To test a mock-up of a hand-held X-ray diffractometer intended for determining the surface stresses in the important parts of rail transport, we propose to use…”
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The mechanism and kinetics of the fuel cladding failure during loading after high-temperature oxidation by Nikulin, S.A., Rogachev, S.O., Rozhnov, A.B., Gusev, A.Yu, Malgin, A.G., Abramov, N.N., Zharovtseva, K.S., Khatkevich, V.M., Koteneva, M.V., Li, E.V.

“…•Mechanism of fuel cladding failure during loading after high-temperature oxidation was studied.•The fracture of the samples starts with the formation of…”
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Possibilities of Scanning and Transmission Electron Microscopy for Comparative Analysis of the Microstructure of In-Situ Nanocomposite High-Strength Conductors Based on a Copper Matrix and BCC-Metals by Nikulin, S. A., Pantsyrnyi, V. I., Rozhnov, A. B., Rogachev, S. O., Khlebova, N. E., Nechaikina, T. A., Khatkevich, V. M.

“…A method of preparation of samples and quantitative analysis of the structure of in-situ nanocomposite conductors is developed. The microstructure of specimens…”
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Do gender and science success moderate the effects of science learning self-efficacy on science identity? by Belova, Tatyana, Islamov, Artem E., Rozhnov, Artemiy A., Zhdanov, Sergei P., Sokolova, Ekaterina I., Tsomartova, Dibakhan A.

“…IntroductionThis study investigates the relationship between science learning self-efficacy and science identity, examining how gender and science success…”
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The Influence of Oxidizing Medium on Structure, Mechanical Properties, and Breakage Pattern of Oxide Films of Zr—1% Nb Alloy under Conditions Simulating Oxidizing Media of WWER and PWR Reactors by Koteneva, M. V., Nikulin, S. A., Rozhnov, A. B., Kydryashova, A. V.

“…This article investigates into the structure, phase composition, mechanical properties, and breakage pattern of oxide films formed on the surface of Zr—1% Nb…”
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Application of an X-ray diffraction method to determine the surface stresses in important railway parts by Shitkin, S. L., Nikulin, S. A., Rozhnov, A. B., Rogachev, S. O.

“…Steel samples of important railway parts are analyzed. The surface roughness and the microstructure of the steel are shown to affect the shape and the…”
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Structure and properties of a layered steel/vanadium alloy/steel composite prepared by high-pressure torsion by Nikulin, S. A., Rogachev, S. O., Rozhnov, A. B., Khatkevich, V. M., Nechaikina, T. A., Morozov, M. V.

“…The microstructure and hardness of a layered steel 08Kh17T/V–10Ti–5Cr/steel 08Kh17T composite, which was prepared by torsion under a high hydrostatic pressure…”
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Structure and hardness of corrosion-resistant ferritic steels subjected to high-temperature nitriding by Nikulin, S. A., Rogachev, S. O., Khatkevich, V. M., Rozhnov, A. B.

“…A comparative study of the effect of high-temperature internal nitriding (at above 1000°C) on the structure formation and hardening of thin-sheet samples of…”
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Effect of low hydrogenation on the low-cycle fatigue of zirconium alloy by Nikulin, S.A., Rozhnov, A.B., Nechaykina, T.A., Rogachev, S.O., Zadorozhnyy, M.Yu, Alsheikh, Hanan

“…•The effect of hydrides on the low-cycle fatigue of a E110 zirconium alloy has been studied.•The fatigue tests have been performed using a dynamic mechanical…”
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