STP1044

    Mechanical Properties of the Carbon Fiber/PEEK Composite APC-2/AS-4 for Structural Applications

    Published: Jan 1989


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    Abstract

    The mechanical properties of carbon fiber/polyetheretherketone (CF/PEEK) composites have been characterized for structural applications. Stiffness and strength properties were measured on unidirectional laminates in tension, compression, and flexure, enabling the elastic constants for the material to be determined. Stiffness and strength were measured on multidirectional lay-ups in tension. The effect of temperature on strength was examined for fiber- and matrix-dominated lay-ups. Toughness was assessed using fracture mechanics techniques, instrumented falling weight impact tests, and postimpact compression tests to obtain both intrinsic and comparative toughness. Creep and fatigue properties were characterized on fiber- and matrix-dominated lay-ups. The evaluations provide a property data base for CF/PEEK composites.

    Keywords:

    PEEK, polyetheretherketone, carbon fiber composites, mechanical properties, toughness, creep, fatigue


    Author Information:

    Carlile, DR
    ICI Advanced Materials, Wilton, Middlesbrough, Cleveland

    Leach, DC
    ICI Composites, Tempe, AZ

    Moore, DR
    ICI Advanced Materials, Wilton, Middlesbrough, Cleveland

    Zahlan, N
    ICI Advanced Materials, Wilton, Middlesbrough, Cleveland


    Paper ID: STP24603S

    Committee/Subcommittee: D30.05

    DOI: 10.1520/STP24603S


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