Volume 26, Issue 1 (January 1998)

    A Note on One-Point-Bend Impact Fracture Experiments with Curved Specimens

    (Received 19 November 1996; accepted 25 March 1997)

    CODEN: JTEOAD

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    Abstract

    We describe an extension of the one-point-bend impact test for measuring dynamic initiation fracture toughnesses with curved specimens cut from the wall of tubes. We present the impact response curve for a specific geometry of curved specimen. We validate the extension of the test procedure and data reduction method by comparing (1) the measured dynamic initiation toughness with data obtained with rectangular specimens cut from the wall of the same 300M tube and (2) the stress-intensity history measured in the experiment with that calculated in a dynamic finite element simulation of the test. For both comparisons, the agreement is excellent.


    Author Information:

    Giovanola, JH
    professor, Swiss Federal Institute of Technology, Lausanne,

    Klopp, RW
    Research engineers, Poulter Laboratory, SRI International, Menlo Park, CA

    Kirkpatrick, SW
    Research engineers, Poulter Laboratory, SRI International, Menlo Park, CA


    Stock #: JTE11973J

    ISSN: 0090-3973

    DOI: 10.1520/JTE11973J

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    Author
    Title A Note on One-Point-Bend Impact Fracture Experiments with Curved Specimens
    Symposium , 0000-00-00
    Committee E28