Volume 11, Issue 2 (June 1989)

    The Effect of Cooling Rate on Residual Stress in a Thermoplastic Composite

    CODEN: CTROAD

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    Abstract

    The effect of cooling rate on residual stress development in a graphite/thermoplastic matrix composite was studied by monitoring warping of an unsymmetric cross-ply laminate. Being amorphous, the thermoplastic resin showed only a minimal sensitivity to the cooling rates employed. The residual stresses at room temperature were high enough to cause ply cracking. Therefore, the effect of transverse crack on the curvature was evaluated by using a modified stiffness model based on the classical laminate theory.


    Author Information:

    Hahn, HT
    Visiting scientist and professor, The Pennsylvania State University, University Park, PA

    Kim, K-S
    Visiting scientist and professor, The Pennsylvania State University, University Park, PA

    Croman, RB
    Research engineer, Pioneering Research Laboratory, E. I. du Pont de Nemours & Company, Inc., Wilmington, DE


    Stock #: CTR10151J

    ISSN: 0884-6804

    DOI: 10.1520/CTR10151J

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    Author
    Title The Effect of Cooling Rate on Residual Stress in a Thermoplastic Composite
    Symposium , 0000-00-00
    Committee D30