Fabry-Perot fiber optic sensors embedded within composite macromodels are shown to be useful in measuring strain concentrations introduced by damage events. Fiber sensors effectively detect the signature of the fracture as well as provide accurate information about the state of the host material. We show that the results obtained from fiber sensors and electrical strain gauges validate newly developed micromechanical theories. Fiber sensors with gauge lengths of 4 mm are shown to be capable of resolving strains on the order of 1 micro-epsilon. The composite macromodel is described in detail and future issues are addressed.


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    Titel :

    Analysis of macro-model composites with Fabry-Perot fiber-optic sensors


    Beteiligte:

    Kongress:

    Fiber Optic Smart Structures and Skins IV ; 1991 ; Boston,MA,United States


    Erschienen in:

    Erscheinungsdatum :

    1991-12-01





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch