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Nanostructure evolution in ODS Eurofer steel under irradiation up to 32 dpa

  • Structure, Phase Transformations, and Diffusion
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Abstract

The nanostructure of the ODS Eurofer steel (9% CrWVTa + 0.5% Y2O3) has been studied after irradiation by iron ions to a damaging dose of 32 dpa. This steel in the initial state is characterized by the presence of a significant amount (∼1024 m−3) of nanosized (2–4 nm) clusters containing atoms of V, Y, O, and N. An analysis of the distribution of various chemical elements in the tested volumes has revealed variations in the composition of the matrix and of the nanosized clusters during irradiation. The data obtained were compared with the results for the ODS Eurofer steel subjected to reactor irradiation to a dose of 32 dpa.

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Authors and Affiliations

  1. National Research Centre “Kurchatov Institute” State Scientific Centre of the Russian Federation — Institute for Theoretical and Experimental Physics (ITEP), ul. Bol’shaya Cheremushkinskaya 25, Moscow, 117218, Russia

    S. V. Rogozhkin, N. N. Orlov, A. A. Aleev, A. G. Zaluzhnyi, M. A. Kozodaev, R. P. Kuibeda, T. V. Kulevoy, A. A. Nikitin & B. B. Chalykh

  2. National Research Nuclear University “MEPhI”, Kashirskoe sh. 31, Moscow, 115409, Russia

    S. V. Rogozhkin, N. N. Orlov, A. A. Aleev, A. G. Zaluzhnyi, M. A. Kozodaev, T. V. Kulevoy & A. A. Nikitin

  3. Karlsruhe Institute of Technology, Institute for Applied Materials-Applied Materials Physics (IAM-AWP), Hermann-von-Helmholz-Platz 1, Eggenstein-Leopoldshafen, Karlsruhe, Baden-Württemberg, 76344, Germany

    R. Lindau, A. Möslang & P. Vladimirov

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  1. S. V. Rogozhkin
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  7. T. V. Kulevoy
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Correspondence to S. V. Rogozhkin.

Additional information

Original Russian Text © S.V. Rogozhkin, N.N. Orlov, A.A. Aleev, A.G. Zaluzhnyi, M.A. Kozodaev, R.P. Kuibeda, T.V. Kulevoy, A.A. Nikitin, B.B. Chalykh, R. Lindau, A. Möslang, P. Vladimirov, 2015, published in Fizika Metallov i Metallovedenie, 2015, Vol. 116, No. 1, pp. 76–82.

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Rogozhkin, S.V., Orlov, N.N., Aleev, A.A. et al. Nanostructure evolution in ODS Eurofer steel under irradiation up to 32 dpa. Phys. Metals Metallogr. 116, 72–78 (2015). https://doi.org/10.1134/S0031918X15010093

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