Measurements of broad-band ultrasonic Lamb waves in plate specimens of ceramic-matrix/fiber and metal-matrix/fiber composite materials used to determine moduli of elasticity of materials. In one class of potential applications of concept, Lamb-wave responses of specimens measured and analyzed at various stages of thermal and/or mechanical processing to determine effects of processing, without having to dissect specimens. In another class, structural components having shapes supporting propagation of Lamb waves monitored ultrasonically to identify signs of deterioration and impending failure.


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    Title :

    Using Ultrasonic Lamb Waves To Measure Moduli Of Composites


    Contributors:

    Published in:

    Publication date :

    1995-11-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English