SYMPOSIA PAPER Published: 01 June 2023
STP164720220076

Development and Status of Embrittlement Trend Correlations in France

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This paper reviews the prediction methods used in France for the assessment of irradiation and thermal aging effects. The irradiation embrittlement trend correlation (ETC) was revised in 2007, and a further revision depends on the significant surveillance database expansion that will occur over the next few years. New data will be obtained at high fluences (∼8 × 1023 n/m², E > 1 MeV). The thermal aging ETC was established in the 1990s, and laboratory aging programs were led for its validation. It appears to be too conservative when applied to underclad heat-affected zones.

Author Information

Todeschini, Patrick
EDF-R&D, MMC Department, EDF Lab Les Renardières, FR
Jourdain, William
EDF-DI, FR
Jeuland, Kevin
EDF-DI, FR
Jardin, Nicolas
EDF-UNIE, FR
Dal Bianco, Christophe
EDF-DT, Lyon, FR
Massoud, Jean-Paul
EDF-DT, Lyon, FR
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Pages: 144–158
DOI: 10.1520/STP164720220076
ISBN-EB: 978-0-8031-7742-0
ISBN-13: 978-0-8031-7741-3