End Plugs for External Pressure Tests of Composite Cylinders

    Published: Jan 1969

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    A method of reducing moment and shear loads which occur at end plugs during compression tests of composite ortho-tropic cylinders by external radial pressure is presented. The primary goal is to reduce the interlaminar shear stress to a permissible level and reduce the bending stresses of the cylinder to a negligible amount. The need to reduce the interlaminar shear stress is a result of the generally low shear strength of resin used in composite laminates.


    composite materials, compression, cylinder, fiber glass, filament, interlaminar shear, pressure, epoxy laminates, stress, evaluation, tests

    Author Information:

    Miller, R. J.
    Engineer scientist specialistResearch and Development Directorate, McDonnell Douglas Astronautics Company-Western. Division, Santa Monica, Calif.

    Committee/Subcommittee: D30.04

    DOI: 10.1520/STP49813S

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