Volume 5, Issue 4 (December 1983)

    The Effect of a Coating on the Thermo-Oxidative Stability of Celion 6000 Graphite Fiber/PMR 15 Polyimide Composites

    CODEN: CTROAD

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    Abstract

    The thermo-oxidative stability in air at 316°C of unidirectional uncoated and aluminum coated Celion 6000 graphite fiber/PMR 15 polyimide composites has been determined for exposure times up to nominally 2000 h. Comparison of the weight loss data and microstructural integrity reveals that a thin aluminum-foil coating can provide significant protection from oxidation. A quantitative description of the average depth of the reaction zone and the maximum length of cracks produced during oxidation as a function of time in uncoated Celion 6000/PMR 15 are given.


    Author Information:

    Hurwitz, FI
    Research chemist and metallurgist, NASA Lewis Research Center, Cleveland, OH

    Whittenberger, JD
    Research chemist and metallurgist, NASA Lewis Research Center, Cleveland, OH


    Stock #: CTR10808J

    ISSN: 0884-6804

    DOI: 10.1520/CTR10808J

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    Author
    Title The Effect of a Coating on the Thermo-Oxidative Stability of Celion 6000 Graphite Fiber/PMR 15 Polyimide Composites
    Symposium , 0000-00-00
    Committee D30