Publication:
Annealing as a Technique for Estimating the Structural Elements Contribution to NPP Materials Service Properties

Дата
2019
Авторы
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Издатель
Научные группы
Организационные подразделения
Организационная единица
Институт ядерной физики и технологий
Цель ИЯФиТ и стратегия развития - создание и развитие научно-образовательного центра мирового уровня в области ядерной физики и технологий, радиационного материаловедения, физики элементарных частиц, астрофизики и космофизики.
Выпуск журнала
Аннотация
© 2019, Pleiades Publishing, Ltd.Abstract: The annealing technique is used to estimate the effect of radiation-induced structural elements on the service properties of the materials used in nuclear power plants: reactor pressure vessel (RPV) and in-vessel internals steels. The WWER-1000 RPV weld seam is affected by a hardening mechanism, the contribution of which is 60–65%, and a nonhardening mechanism resulting in grain-boundary segregation, the contribution of which is 30–35%. Radiation defects 40–45% and G-phase precipitates 35–40% are mainly responsible for the radiation-induced hardening of WWER-1000 internals materials. Radiation-induced structural changes should be eliminated for these materials to be reused.
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Цитирование
Fedotov, I. V. Annealing as a Technique for Estimating the Structural Elements Contribution to NPP Materials Service Properties / Fedotov, I.V., Kuleshova, E.A. // Physics of Metals and Metallography. - 2019. - 120. - № 8. - P. 763-769. - 10.1134/S0031918X19080106
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