Study of corrosion using long period fiber gratings coated with iron exposed to salty water

L. Coelho; J. L. Santos; P. A. S. Jorge; J. M. M. de Almeida

doi:10.1117/12.2266400

23 April 2017 Study of corrosion using long period fiber gratings coated with iron exposed to salty water

L. Coelho, J. L. Santos, P. A. S. Jorge, J. M. M. de Almeida

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103234Z (2017) https://doi.org/10.1117/12.2266400
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

Abstract

A study of long period fiber gratings (LPFG) over coated with iron (Fe) and subjected to oxidation in water with different sodium chloride (NaCl) concentrations is presented. The formation of iron oxides and hydroxides was monitored in real time by following the features of the LPFG attenuation band. Preliminary results show that Fe coated LPFGs can be used as sensors for early warning of corrosion in offshore and in coastal projects where metal structures made of iron alloys are in contact with sea or brackish water.

Citation Download Citation

L. Coelho, J. L. Santos, P. A. S. Jorge, and J. M. M. de Almeida "Study of corrosion using long period fiber gratings coated with iron exposed to salty water", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103234Z (23 April 2017); https://doi.org/10.1117/12.2266400

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