STP546

    Methods of Fiber and Void Measurement in Graphite/Epoxy Composites

    Published: Jan 1974


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    Abstract

    A variety of experimental procedures for measuring composite fiber and void content has been evaluated, including resin removal by sulfuric acid digestion, water takeup, and quantitative microscopy. These techniques were applied to a series of graphite/epoxy laminates; a comparison of the results showed the more convenient resin-removal method to be sufficiently precise unless spatial distributions of the constituents are required, in which case microscopy is indicated.

    Keywords:

    composite materials, epoxy laminates, tests, quantitative analyses, microscopy, graphite composites


    Author Information:

    Cilley, E
    Organic Materials Laboratory, Army Materials and Mechanics Research Center, Watertown, Mass.

    Roylance, D
    Organic Materials Laboratory, Army Materials and Mechanics Research Center, Watertown, Mass.

    Schneider, N
    Organic Materials Laboratory, Army Materials and Mechanics Research Center, Watertown, Mass.


    Paper ID: STP35492S

    Committee/Subcommittee: D30.04

    DOI: 10.1520/STP35492S


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