Elastic compliance of single-edge-notched tension SE(T) (or SENT) specimens

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Published Sep 8, 2014
DOI https://doi.org/10.3221/IGF-ESIS.30.13

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B. Tyson
CanmetMATERIALS, Hamilton, ON, Canada
P. Ding
Carleton University, Ottawa, Canada
X. Wang
Carleton University, Ottawa, Canada

Abstract

There has been a trend recently to use specimen geometries for toughness measurement that are more representative of actual flaw geometries in service. A prominent example is the use of single-edge-notched tension specimens for assessment of surface flaws in pipelines. To obtain a resistance (R) curve, i.e. J-integral or CTOD as a function of crack growth, it is necessary to monitor the crack size as a function of J or CTOD. To facilitate obtaining these data from a single specimen, the elastic CMOD unloading compliance C has been used in several testing programs to estimate crack size. C is a function of several variables in addition to crack size – notably, specimen constraint (plane stress or plane strain). In this paper, the dependence of C on these variables will be discussed.

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    Issue
    Vol. 8 No. 30 (2014): October 2014
    Section
    Miscellanea

    How to Cite

    Tyson, B., Ding, P., & Wang, X. (2014). Elastic compliance of single-edge-notched tension SE(T) (or SENT) specimens. Frattura Ed Integrità Strutturale, 8(30), pages 95–100. https://doi.org/10.3221/IGF-ESIS.30.13

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