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Proceedings Paper

Fiber optic corrosion sensor fabricated by electrochemical method
Author(s): X. M. Li; Weimin Chen; Z. Q. Huang; Shanglian Huang; Kim D. Bennett
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Paper Abstract

This paper reports the research of a Fiber Optic Corrosion Sensor (FOCS) fabricated by electroplating an Fe-C alloy film onto an optical fiber core within the sensing region. Fabrication of the sensing film involves removal of the cladding, metallization of the optical fiber core, and electroplating of the Fe-C alloy layer. The initial results show that the sensor output power increases by about 35 percent when the film is corroded with the sensor of the film passivated, and that the time taken to rise to maximum output power is prolonged by almost 3 times, compared with that for non-passivated film. These result demonstrate the feasibility of using optical fiber corrosion sensors for monitoring corrosion of steel in civil structures.

Paper Details

Date Published: 21 July 1998
PDF: 8 pages
Proc. SPIE 3330, Smart Structures and Materials 1998: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (21 July 1998); doi: 10.1117/12.316965
Show Author Affiliations
X. M. Li, Chongqing Univ. (China)
Weimin Chen, Chongqing Univ. (China)
Z. Q. Huang, Chongqing Univ. (China)
Shanglian Huang, Chongqing Univ. (China)
Kim D. Bennett, Lafeyette College (United States)


Published in SPIE Proceedings Vol. 3330:
Smart Structures and Materials 1998: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials
Richard O. Claus; William B. Spillman, Editor(s)

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