STP836

    Materials Characterization for Matrix-Dominated Failure Modes

    Published: Jan 1984


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    Abstract

    Viable test methods that may be used in characterizing matrix-dominated composite properties are assessed. Special emphasis is placed on matrix cracking and delamination. Both strength characterization and fracture mechanics test methods are considered. Transverse tension, in-plane shear, interlaminar shear, and a laminate test for in situ first-ply failure are the strength tests considered. Fracture mechanics test methods discussed include the double-cantilever-beam test, a 90-deg center-notch tension test, and a free-edge-delamination tension test.

    Keywords:

    composite materials, fatigue (materials), fracture mechanics, delamination, matrix-related properties, first-ply failure, tension tests


    Author Information:

    Whitney, JM
    Materials research engineer, Nonmetallic Materials Division, Materials Laboratory, Air Force Wright Aeronautical Laboratories, Wright-Patterson Air Force Base, Ohio

    Browning, CE
    Materials research engineer, Nonmetallic Materials Division, Materials Laboratory, Air Force Wright Aeronautical Laboratories, Wright-Patterson Air Force Base, Ohio


    Paper ID: STP30200S

    Committee/Subcommittee: D30.07

    DOI: 10.1520/STP30200S


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