Volume 21, Issue 4 (October 1999)

    The Wyoming-Modified Two-Rail Shear Test Fixture for Composite Materials

    CODEN: CTROAD

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    Abstract

    A significantly modified two-rail shear fixture with a new clamping concept and enhanced gripping capability has been designed, fabricated, and evaluated. This new fixture solves some of the major shortcomings associated with the ASTM Standard D 4255 Two-Rail Shear test procedure, including limited specimen gripping ability, the need for specimens with holes, and potential failure by out-of-plane buckling. The in-plane unidirectional ply shear properties of AS4/3501-6 carbon/epoxy were measured using specimens of [0/90]3S cross-ply orientation. Repeatable results and acceptable failure modes were obtained. The excellent gripping capability of the new test fixture was also demonstrated in tests of an AS4/3501-6 carbon/epoxy [±45]4S angle-ply composite, a very high shear strength material.


    Author Information:

    Hussain, A
    University of Wyoming, Laramie, WY

    Adams, D
    University of Wyoming, Laramie, WY


    Stock #: CTR10984J

    ISSN: 0884-6804

    DOI: 10.1520/CTR10984J

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    Author
    Title The Wyoming-Modified Two-Rail Shear Test Fixture for Composite Materials
    Symposium , 0000-00-00
    Committee D30