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    Volume 7, Issue 5 (September 1979)

    Evaluation of the J Integral for the Compact Specimen

    Published Online: 01 September 1979

    CODEN: JTEVAB

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    Abstract

    Methods for determining the J integral from an experimental load versus load point displacement curve for the compact specimen are discussed. The original analysis by Merkle and Corten, which accounted for the tension component in the compact specimen, is presented along with a simplified version (of the analysis) that is shown to be essentially equivalent to the original formulation. Based on experimental results from Landes, Walker, and Clarke, a further simplified expression is recommended as the best expression to use for determining J for the compact specimen.


    Author Information:

    Clarke, GA
    Senior engineer and advisory engineerMembers of ASTM, Westinghouse R&D Center, Pittsburgh, Pa.

    Landes, JD
    Senior engineer and advisory engineerMembers of ASTM, Westinghouse R&D Center, Pittsburgh, Pa.


    Stock #: JTE10222J

    ISSN:0090-3973

    DOI: 10.1520/JTE10222J

    Author
    Title Evaluation of the J Integral for the Compact Specimen
    Symposium ,
    Committee E08