BR2/CHIVAS Irradiation in Support of Enhanced Surveillance of Nuclear Reactor Pressure Vessels

Albert Fabry, Serge Bodart, Paul de Bakker, José Van de Velde, Luigi Puzzolante, Eric van Walle, Rachid Chaouadi

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    An enchanced reactor pressure vessel surveillance technology is being developed in Belgium. The aim is to determine in-service shifts of static initiation toughness in a more direct and precise manner than possible through the current indexation procedure to the CVN impact test. The technology entails the reconstruction, precracking and slow bend testing of broken CVN remnanats, and emphasizes the maximization of information by combining static tensile idslocation theary and micromechanical modelling provide the interpretation tools allowing justify plant-specific embrittlement trend curves.
    Original languageEnglish
    Title of host publicationWorking material: Irradiation embrittlement and mitigation
    Subtitle of host publicationProceedings of a specialists meeting
    Place of PublicationEspoo, Finland
    PublisherIAEA - International Atomic Energy Agency
    Number of pages19
    StatePublished - 1995

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