Descriptive characteristics of different types of test for irradiation embrittlement

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

    Research output: Contribution to journalArticleScientificpeer-review

    6 Citations (Scopus)

    Abstract

    Within the IAEA coordinated programme on optimizing of reactor pressure vessel surveillance programmes and their analysis, phase 3, a specially tailored radiation sensitive correlation monitor material, a Japanese steel plate with code designation JRQ, a French forging material (FFA) and a Japanese forging material (JFL) were selected for the investigations to be carried out in Finland.

    Based on the evaluation of the experimental results it was demonstrated that dynamic fracture toughness transition shift is equivalent to the Charpy-V shift, but the static fracture toughness transition shift may be considerably larger than the dyanamic shift. Thus, Charpy-V is not suitable for estimating the static fracture toughness transition shift.

    These findings have a strong impact upon the design of future surveillance programmes.
    Original languageEnglish
    Pages (from-to)69-80
    JournalNuclear Engineering and Design
    Volume159
    Issue number1
    DOIs
    Publication statusPublished - 1995
    MoE publication typeA1 Journal article-refereed

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