Kutyavin, A.N.; Kropachev, S.Yu.
All-Russian scientific conference of young scientists and specialists Materials of nuclear technique: from fundamental investigations to innovation solutions (MAYaT-OFIEh-2006). Summaries of reports2006
All-Russian scientific conference of young scientists and specialists Materials of nuclear technique: from fundamental investigations to innovation solutions (MAYaT-OFIEh-2006). Summaries of reports2006
AbstractAbstract
No abstract available
Original Title
Sposob polucheniya trub tekhnologicheskikh s vnutrennimi prodol'nymi rebrami i konstruktsiya opravki dlya ego realizatsii
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Federal'noe Agentstvo po Atomnoj Ehnergii, Moscow (Russian Federation); Federal'noe Agentstvo po Atomnoj Ehnergii, Upravlenie Atomnoj Nauki i Tekhniki, Moscow (Russian Federation); Federal'noe Agentstvo po Atomnoj Ehnergii, Upravlenie Atomnoj Ehnergetiki, Moscow (Russian Federation); Rossijskaya Akademiya Nauk, Moscow (Russian Federation); Vserossijskij NII Neorganicheskikh Materialov im. akademika A.A. Bochvara, Moscow (Russian Federation); NTS Yadernoe Toplivo: Materialy i Tekhnologii ROSATOMA, Moscow (Russian Federation); Sektsiya Fundamental'nye Issledovaniya Materialov, NTS ROSATOMA, Moscow (Russian Federation); Zhurnal Voprosy Atomnoj Nauki i Tekhniki: Seriya Materialovedenie i Novye Materialy, Moscow (Russian Federation); Nauchnyj Sovet RAN Novye Konstruktsionnye Materialy, Moscow (Russian Federation); Nauchnyj Sovet RAN po Radiatsionnoj Fizike Tverdogo Tela, Moscow (Russian Federation); Ministerstvo Promyshlennosti i Ehnergetiki RF, Moscow (Russian Federation); Ministerstvo Obrazovaniya i Nauki RF, Moscow (Russian Federation); Federal'noe Agentstvo po Nauke i Innovatsiyam, Moscow (Russian Federation); Rossijskij Fond Fundamental'nykh Issledovanij, Moscow (Russian Federation); 150 p; 2006; p. 53; All-Russian scientific conference of young scientists and specialists Materials of nuclear technique: from fundamental investigations to innovation solutions (MAYaT-OFIEh-2006); Vserossijskaya nauchnaya konferentsiya molodykh uchenykh i spetsialistov Materialy yadernoj tekhniki: ot fundamental'nykh issledovanij k innovatsionnym resheniyam (MAYaT-OFIEh-2006); Tuapse, Krasnodarskij Kraj (Russian Federation); 3-7 Oct 2006
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AbstractAbstract
[en] Comparative investigations of mechanical properties, macro- and microstructure of Zr-1%Nb alloy blanks produced in hot treatment of ingots applying two methods: forging and radial-shear rolling were carried out, and the quality of semi-finished and finished products were evaluated. It was demonstrated that forging had a larger depth of the structure processing as compared with rolling that forms the material state of higher characteristics of strength and impact viscosity and provides its compactness
[ru]
Проведены сравнительные исследования механических свойств, макро- и микроструктуры материала заготовок из сплава Zr-1%Nb, полученных при горячей обработке слитков двумя способами: ковкой и радиально-сдвиговой прокаткой, а также оценка качества полуфабрикатов и готовых изделий. Показано, что ковка по сравнению с прокаткой имеет большую глубину проработки структуры, что формирует состояние материала с более высокими характеристиками прочности и ударной вязкости, и обеспечивает его компактностьOriginal Title
Sravnitel'nye issledovaniya sposobov proizvodstva polufabrikatov iz tsirkonievykh splavov
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2 figs., 1 tab.
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Journal Article
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Izvestiya Vysshikh Uchebnykh Zavedenij. Tsvetnaya Metallurgiya; ISSN 0021-3438; ; CODEN IVUTAK; (no.1); p. 62-65
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[en] The mechanisms responsible for passing plastic deformation in alloys are determined on the basis of results of X-ray texture analysis of Zr-1 % Nb and Zr-2.5 % Nb model specimens subjected to uniaxial compression at temperatures of β- and (α+β)- phase fields. These mechanisms include crystallographic slip in β-Zr and α-Zr in grains as well as mutual displacement of crystallites along interphase boundaries activated under conditions of α↔β phase transformations and underlying the phenomenon of superplasticity. The contribution of each of mechanisms to formation of semiproducts texture is dependent on temperature-rate compression conditions
[ru]
На основании результатов рентгеновского текстурного анализа модельных образцов из сплавов Zr-1 % Nb и Zr-2.5 % Nb, подвергнутых одноосному сжатию при температурах β- и (α+β)-областей диаграммы фазового равновесия, установлены механизмы, ответственные за протекание пластической деформации сплавов. В число таких механизмов входит кристаллографическое скольжение в зернах β-Zr и α-Zr, а также диффузионный механизм взаимного перемещения кристаллитов по межфазным границам, активизирующийся в условиях протекания α↔β фазовых превращений и лежащий в основе явления сверхпластичности. Вклад каждого из механизмов в формирование текстуры полуфабрикатов зависит от температурно-скоростного режима сжатияOriginal Title
Mekhanizmy plasticheskoj deformatsii splavov na osnove tsirkoniya v usloviyakh odnoosnogo szhatiya pri razlichnykh temperaturno-skorostnykh rezhimakh
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16 refs., 8 figs.
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