Final report of Nordic J-R-curve round robin test program

Kim Wallin

    Research output: Book/ReportReport

    1 Citation (Scopus)


    Reliability of J-R-curve testing is extremely important for evaluation of nuclear components. In this work the results of a Nordic J-R-curve round robin test programme are presented. The results show a large amount of scatter. It was not possible to conclusively state whether the scatter is due to the material inhomogeneity or to the different laboratory practices. The round robin exercise, however, does give valuable information regarding the reliability to be expected in J-R-curves obtained by standard procedures. It is evident that the present J-R-curve testing procedures are still in need of refinement.
    Original languageEnglish
    Place of PublicationEspoo
    PublisherVTT Technical Research Centre of Finland
    Number of pages40
    ISBN (Print)951-38-3009-8
    Publication statusPublished - 1987
    MoE publication typeD4 Published development or research report or study

    Publication series

    SeriesValtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports


    • fracture tests
    • brittlenes
    • toughness
    • crack propagation


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