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    Volume 12, Issue 1 (March 1990)

    The Strength Prediction of Composite Laminates Containing a Circular Hole

    CODEN: CTROAD

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    Abstract

    The notched tensile strength of composite laminates was examined. The behavior and prediction of unidirectional off-axis, angle ply, and [0/ ± θ]s laminates is discussed. It was found that good predictions for off-axis laminates can be obtained since the same failure mode occurs in such laminates. Similar results were also obtained for the [0/ ± θ]s laminates. However, for angle-ply laminates, accurate predictions were not achieved because of the diversity of failure modes among the configurations tested. For fiber dominated laminates, a method for determining the characteristic dimension for the average stress criterion is presented. Moreover, the notched strength of quasi-isotropic composite laminates loaded at an angle φ to the material x axis was investigated. Good correlation between experimental and predicted values was obtained.


    Author Information:

    Reifsnider, KL

    El-Zein, MS
    Graduate research assistant and Reynolds metals professor, Materials Response Group, Engineering Science and Mechanics, Virginia Polytechnic Institute and State University, Blacksburg, VA


    Stock #: CTR10174J

    ISSN: 0884-6804

    DOI: 10.1520/CTR10174J

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    Author
    Title The Strength Prediction of Composite Laminates Containing a Circular Hole
    Symposium , 0000-00-00
    Committee D30