Detecting and identifying damage in sandwich polymer composite by using acoustic emission

M. McGugan, Bent F. Sørensen, R. Østergaard, T. Bech

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    Abstract

    Acoustic emission is a useful monitoring tool for extracting extra information during mechanical testing of polymer composite sandwich materials. The study of fracture mechanics within test specimens extracted from wind turbine blade material is presented. The contribution of the acoustic emission monitoring technique in defining different failure modes identified during the testing is discussed. The development of in-situ structural monitoring and control systems is considered.
    Original languageEnglish
    Place of PublicationRoskilde
    PublisherRisø National Laboratory
    Number of pages33
    ISBN (Print)87-550-3560-4
    Publication statusPublished - 2006
    SeriesDenmark. Forskningscenter Risoe. Risoe-R
    Number1580(EN)
    ISSN0106-2840

    Keywords

    • Risø-R-1580
    • Risø-R-1580(EN)
    • Acoustic emission
    • Mechanical testing
    • Polymer composite
    • Sandwich
    • Fracture mechanics
    • Wind turbine blade
    • Failure mode
    • Structural monitoring

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