The paper reports ways for monitoring the corrosion of ship hull steel. The feasibility of an optical fibre corrosion sensor (OFCS) was studied. The main material of the core was silicone dioxid, but a small quantity of germanium element was mixed into the core. Two methods for preparation of fibre optic sensors (FOSs) were studied. The first one was physical vacuum deposition PVD) to form an Fe-C alloy film on a fibre core, and the other was electroplating an Fe-C film on a fibre core through an intermediate gold layer. The shift of light power transmitted through the fibre was registered with corrosion. Microanalysis was carried out to show the formation of metallised film. The electrochemical process of the corrosion on the fibre was researched by continuously monitoring open potential Ecorr, linear polarized resistance Rp and electrochemical impedance spectra.


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    Title :

    Optical and electrochemical measurements for optical fibre corrosion sensing techniques


    Additional title:

    Optische und elektrochemische Korrosionsmesstechnik mit einem faseroptischen Sensor


    Contributors:
    Dong, Saying (author) / Liao, Yanbiao (author) / Tian, Qian (author) / Luo, Yanan (author) / Qiu, Zhigang (author) / Song, Shizhe (author)

    Published in:

    Corrosion Science ; 48 , 7 ; 1746-1756


    Publication date :

    2006


    Size :

    11 Seiten, 9 Bilder, 1 Tabelle, 12 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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