Optical and electrochemical measurements for optical fibre corrosion sensing techniques

The feasibility of an optical fibre corrosion sensor (OFCS) was studied. A multi-mode fibre was metallised by physical vacuum deposition and electroplating of a Fe–C alloy film on a 1–2 cm uncladded section of an optical fibre. The shift of light power transmitted through the fibre was registered wi...

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Bibliographic Details
Published in:Corrosion science 2006-07, Vol.48 (7), p.1746-1756
Main Authors: Dong, Saying, Liao, Yanbiao, Tian, Qian, Luo, Yanan, Qiu, Zhigang, Song, Shizhe
Format: Article
Language:English
Subjects:
Applied sciences
Corrosion
Corrosion environments
Electrochemical measurement
Electroplating
Exact sciences and technology
Fe–C alloy film
Fibre optic sensor
Metallic coatings
Metals. Metallurgy
Physical vacuum deposition (PVD)
Production techniques
Surface treatment
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Summary:The feasibility of an optical fibre corrosion sensor (OFCS) was studied. A multi-mode fibre was metallised by physical vacuum deposition and electroplating of a Fe–C alloy film on a 1–2 cm uncladded section of an optical fibre. 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 E corr, linear polarized resistance R p and electrochemical impedance spectra.
ISSN:0010-938X
1879-0496
DOI:10.1016/j.corsci.2005.05.025