Volume 9, Issue 1 (March 1987)

    Method for Hygromechanical Characterization of Graphite/Epoxy Composite

    CODEN: CTROAD

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    Abstract

    An experimental method is described for measuring hygroscopic swelling strains and mechanical strains of moisture-conditioned composite specimens. The method consists of embedding encapsulated strain gages in the midplane of the composite laminate; thus it does not interfere with normal moisture diffusion. It is particularly suited for measuring moisture swelling coefficients and for mechanical testing of moisture-conditioned specimens at high strain rates. Results obtained by the embedded gage method were shown to be more reliable and reproducible than those obtained by surface gages, dial gages, or extensometers.


    Author Information:

    Peimanidis, G
    Visiting professor, Research assistant, and professor, Northwestern University, Evanston, IL

    Yaniv, G
    Visiting professor, Research assistant, and professor, Northwestern University, Evanston, IL

    Daniel, IM
    Visiting professor, Research assistant, and professor, Northwestern University, Evanston, IL


    Stock #: CTR10423J

    ISSN: 0884-6804

    DOI: 10.1520/CTR10423J

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    Author
    Title Method for Hygromechanical Characterization of Graphite/Epoxy Composite
    Symposium , 0000-00-00
    Committee D30