Volume 13, Issue 5 (September 1985)

    Test Method for Evaluation of Shear Modulus and Modulus of Elasticity of Laminated Anisotropic Composite Materials

    CODEN: JTEOAD

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    Abstract

    A test method for the determination of the shear modulus and the modulus of elasticity of laminated anisotropic composite materials is presented. Two tests are required. In one test, a ring is simply supported at two diametrically opposite supports and subjected to two diametrically opposite concentrated loads normal to the plane of the ring and located 90° from the supports. The second test employs a split ring. Each end of the ring is subjected to a concentrated load normal to the plane of the ring. By conducting these two tests and measuring the normal deflections corresponding to the applied loads, shear modulus and modulus of elasticity of the ring can be determined from the formulas derived in the paper. It should be noted that for laminated composite anisotropic materials these moduli cannot be determined from the tests as known in the literature, one of which involves out-of-plane loading and the other an in-plane loading as suggested in Paper 4709, Douglas Missile and Space Systems Division, McDonnell Douglas Corporation, November, 1967.


    Author Information:

    Cheng, S
    Professor, University of Wisconsin, Madison, WI


    Stock #: JTE10968J

    ISSN: 0090-3973

    DOI: 10.1520/JTE10968J

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    Author
    Title Test Method for Evaluation of Shear Modulus and Modulus of Elasticity of Laminated Anisotropic Composite Materials
    Symposium , 0000-00-00
    Committee D30