Fracture toughness measurements in the transition regime using small size samples

    Research outputpeer-review

    Abstract

    The present paper reports the treatment of fracture toughness data in the ductile-to-brittle transition regime by using Charpy size specimens. Size effect and statistical variation are taken into account according to a statistical model associated to the weakest link model. The methodology is first calibrated on a reference reactor pressure vessel material, for which fracture toughness data obtained on large samples are available. This methodology is successfully applied to a number of RPV steels to determine the fracture toughness behaviour in the transition regime. Monte Carlo simulations are performed to determine the confidence , interval of the reference temperature as derived from a small number of tests.

    Original languageEnglish
    Title of host publicationSmall Specimen Test Techniques
    PublisherASTM International
    Pages214-234
    Number of pages24
    Volume1329
    ISBN (Electronic)978-0-8031-2476-9
    ISBN (Print)0803124767
    DOIs
    StatePublished - 1998

    Publication series

    Name ASTM special technical publication
    PublisherASTM International
    ISSN (Print)0066-0558

    ASJC Scopus subject areas

    • General Engineering

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