Life extension programs for military metallic aircraft are becoming increasingly important as defense budgets shrink and worls economies realign themselves to an uncertain future. For existing military weapon systems, metallic corrosion damage costs an estimated 8 billion dollars per year. One approach to reducing this cost is to develop a reliable method to detect and monitor corrosion in hidden metallic structure with the use of corrosion sensors which would give an early indication of corrosion without significant disassembly. This paper describes the current status of the development, analysis, and testing of a fiber optic corrosion sensor developed jointly by Boeing and Virginia Tech Fiber & Electro-Optics Research Center and sponsored by the USAF Wright Laboratory, Materials Directorate. In the sensor which is being developed under this contract, the normal cladding is removed in the sensor region, and replaced with aluminum alloy and allowed to corrode on coupons of C/KC-135 body structure in an ASTM B117 salt spray chamber. In this approach, the optical signal out of the sensor is designed to increase as corrosion takes place. These results to determine the correlation between sensor output and structural degradation due to corrosion will be discussed.


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    Titel :

    Novel NDE fiber optic corrosion sensor


    Weitere Titelangaben:

    Neuartiger zerstörungsfreier faseroptischer Korrosionssensor


    Beteiligte:
    Rutherford, P. (Autor:in) / Ikegami, R. (Autor:in) / Shrader, J. (Autor:in) / Sherrer, D. (Autor:in) / Zabaronick, N. (Autor:in) / Zeakes, J. (Autor:in)


    Erscheinungsdatum :

    1996


    Format / Umfang :

    12 Seiten, 18 Bilder, 2 Tabellen, 1 Quelle




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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