Volume 6, Issue 2 (March 1978)

    Calibration of the Side-Grooved Modified Wedge-Opening-Load Specimen

    CODEN: JTEOAD

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    Abstract

    The modified wedge-opening-load (WOL) specimen introduced by Novak and Rolfe is now commonly employed to establish crack growth rate and threshold of stress corrosion cracking KIscc data. The present paper is concerned with the stress intensity factor solution for this specimen with 10% side grooving. Finite element and experimental compliance studies were undertaken to define the stress intensity factor solution in terms of crack mouth opening displacement. The analytical and experimental results obtained were found to be in excellent agreement. The results also verify the use of Wilson's finite element stress intensity calibration of the T-type WOL specimen when the effect of the side grooves is accounted for.


    Author Information:

    LeFort, P
    Materials engineer and managermember of ASTM, Materials and Processes Laboratory, General Electric Co., Schenectady, N.Y.

    Mowbray, DF
    Materials engineer and managermember of ASTM, Materials and Processes Laboratory, General Electric Co., Schenectady, N.Y.


    Stock #: JTE10929J

    ISSN: 0090-3973

    DOI: 10.1520/JTE10929J

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    Author
    Title Calibration of the Side-Grooved Modified Wedge-Opening-Load Specimen
    Symposium , 0000-00-00
    Committee E08