STP658

    Integrated Theory for Predicting the Hygrothermomechanical Response of Advanced Composite Structural Components

    Published: Jan 1978


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    Abstract

    An integrated theory is developed for predicting the hygrothermomechanical (HGTM) response of fiber composite components. This integrated theory is based on a combined theoretical and experimental investigation. In addition to predicting the HGTM response of components, the theory is structured to assess the combined hygrothermal effects on the mechanical properties of unidirectional composites loaded along the material axis and off-axis, and those of angle-plied laminates. The theory predicts values in good agreement with measured data at the micromechanics, macromechanics, laminate analysis, and structural analysis levels.

    Keywords:

    composite materials, theory, experiment, composite mechanics, laminate theory, structural analysis, stress analysis, warpage, thermal stresses, hygro stresses, finite-element analysis


    Author Information:

    Chamis, CC
    Aerospace engineer, National Aeronautics and Space Administration, Lewis Research center, Cleveland, Ohio

    Lark, RF
    Aerospace engineer, National Aeronautics and Space Administration, Lewis Research center, Cleveland, Ohio

    Sinclair, JH
    Aerospace engineer, National Aeronautics and Space Administration, Lewis Research center, Cleveland, Ohio


    Paper ID: STP34863S

    Committee/Subcommittee: D30.04

    DOI: 10.1520/STP34863S


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