Characterization of neutron-irradiated ferritic model alloys and a RPV steel from combined APT, SANS, TEM and PAS analyses

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Abstract

Understanding the behavior of reactor pressure vessel (RPV) steels under irradiation is a mandatory task that has to be elucidated in order to be able to operate safely a nuclear power plant or to extend its lifetime. To build up predictive tools, a substantial experimental data base is needed at the nanometre scale to extract quantitative information on neutron-irradiated materials and to validate the theoretical models. To reach this experimental goal, ferritic model alloys and French RPV steel were neutron irradiated in a test reactor at an irradiation flux of 9 × 1017 nm-2 s, doses from 0.18 to 1.3 × 1024 nm-2 and 300 °C. The main goal of this paper is to report the characterization of the radiation-induced microstructural change in the materials by using the state-of-the-art of characterization techniques available in Europe at the nanometre scale. Possibilities, limitations and complementarities of the techniques to each other are highlighted. © 2010 Elsevier B.V. All rights reserved.

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APA

Meslin, E., Lambrecht, M., Hernández-Mayoral, M., Bergner, F., Malerba, L., Pareige, P., … Almazouzi, A. (2010). Characterization of neutron-irradiated ferritic model alloys and a RPV steel from combined APT, SANS, TEM and PAS analyses. Journal of Nuclear Materials, 406(1), 73–83. https://doi.org/10.1016/j.jnucmat.2009.12.021

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