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    Effect of Fiber Systems on Stiffness Properties of Chopped Fiber Reinforced Sheet Molding Compound Composites

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    The effect of such fiber characteristics as weight content, modulus, and density on the stiffness properties of a chopped fiber reinforced sheet molding compound (SMC) composite are analytically evaluated. Comparisons are made among SMC composites reinforced by four commercially available fiber systems, glass, Kevlar, carbon, and high-modulus carbon.


    sheet molding compounds, chopped fibers, composite materials, stiffness properties, automotive applications

    Author Information:

    Chang, DC
    Senior Staff Research Engineer, General Motors Research Laboratories, Warren, Mich.

    Committee/Subcommittee: E08.04

    DOI: 10.1520/STP29377S