Characteristics of the IAEA correlation monitor material for surveillance programmes

Kim Wallin, Matti Valo, Rauno Rintamaa, Kari Törrönen, Ralf Ahlstrand

    Research output: Book/ReportReport


    Within the IAEA Coordinated Research Programme on optimising of reactor pressure vessel surveillance programmes and their analysis, phase 3, a specially tailored "radiation sensitive" correlation monitor material has been fabricated. This material will serve as a reference to the IAEA programme for future vessel surveillance programmes throughout the world. An extensive evaluation of the correlation monitor material in the as-received condition has been carried out in Finland and the results are presented here. The mechanical properties measured at different temperatures incIude Charpy V notch and instrumented precracked Charpy data, and elastic-plastic fracture toughness (J). The specimen size and geometry have been varied in the tests. Correlation between different fracture properties are evaluated and discussed.
    Original languageEnglish
    Place of PublicationEspoo
    PublisherVTT Technical Research Centre of Finland
    Number of pages57
    ISBN (Print)951-38-3522-7
    Publication statusPublished - 1989
    MoE publication typeD4 Published development or research report or study

    Publication series

    SeriesValtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports


    • nuclear reactor materials
    • pressure vessels
    • fracture properties
    • steels


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