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    Volume 45, Issue 2 (February 2017)

    Effective Thickness of Side-Grooved Clamped SE(T) Specimens for J-R Curve Testing

    (Received 23 June 2015; accepted 13 October 2015)

    Published Online: 27 February 2017

    CODEN: JTEVAB

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    Abstract

    Three-dimensional (3D) finite element analyses (FEA) of clamped single-edge tension (SE(T)) specimens were performed to investigate the effective thickness used in the calculations of the stress intensity factor (K) and plastic eta factor-based J-integral (J). The SE(T) specimens with six relative crack lengths (a/W ratios from 0.2 to 0.7), one relative thickness (B/W = 1), and eleven depths of side groove (i.e., BN/B = 1, 0.94, 0.92, 0.9, 0.88, 0.86, 0.85, 0.84, 0.82, 0.8, and 0.75) were considered in the analyses. Based on the FEA results, new effective thickness expressions and values for K and J estimations for side-grooved SE(T) specimens were proposed and validated.


    Author Information:

    Huang, Yifan
    Department of Civil & Environmental Engineering, The Univ. of Western Ontario, London, ON

    Zhou, Wenxing
    Department of Civil & Environmental Engineering, The Univ. of Western Ontario, London, ON


    Stock #: JTE20150274

    ISSN:0090-3973

    DOI: 10.1520/JTE20150274

    Author
    Title Effective Thickness of Side-Grooved Clamped SE(T) Specimens for J-R Curve Testing
    Symposium ,
    Committee E08