Volume 14, Issue 6 (November 1986)

    On the Determination of Crack Initiation Using Standard Test Methods

    (Received 14 November 1985; accepted 21 April 1986)

    CODEN: JTEOAD

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    Abstract

    The results presented in this paper were obtained by participation in an ASTM experimental round-robin exercise. The roundrobin was aimed at verifying the appropriateness of ASTM Draft Test Method for Crack Tip Opening Displacement (CTOD) Testing. It was demonstrated that the Draft Method is suitable for determining initiation values of CTOD and that more unequivocal values are obtained if the crack length is measured as the average of ten instead of three individual values distributed over the specimen thickness. This is consistent with the recent revision of the Draft Method.


    Author Information:

    Hellmann, D
    Research Engineer and Head of Department for Materials Technology, Research Center Geesthacht (GKSS), Institut für Werkstofftechnologie,

    Schwalbe, K-H
    Research Engineer and Head of Department for Materials Technology, Research Center Geesthacht (GKSS), Institut für Werkstofftechnologie,


    Stock #: JTE10345J

    ISSN: 0090-3973

    DOI: 10.1520/JTE10345J

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    Author
    Title On the Determination of Crack Initiation Using Standard Test Methods
    Symposium , 0000-00-00
    Committee E08