Tilted Fiber Bragg Grating Sensors for Reinforcement Corrosion Measurement in Marine Concrete Structure

Md Rajibul Islam, Marya Bagherifaez, M. Mahmood Ali, Hwa Kian Chai, Kok Sing Lim, Harith Ahmad

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, the tilted fiber Bragg grating is proposed as a corrosion sensor and experimentally demonstrated for measuring and evaluating corrosion of steel rebars in wet conditions. To expedite the corrosion process, the impressed current technique was used to achieve a 28.9% mass loss in the rebar for a total time of 24 h. It is observed that the cladding resonant wavelengths red-shift during the corrosion process and the wavelength shifts are greater for higher order resonances. The proposed technique can be used for monitoring steel corrosion.

Original languageEnglish
Article number7192628
Pages (from-to)3510-3516
Number of pages7
JournalIEEE Transactions on Instrumentation and Measurement
Volume64
Issue number12
DOIs
Publication statusPublished - 1 Dec 2015

Keywords

  • Fiber optic sensor
  • impressed current technique
  • steel rebar corrosion measurement
  • tilted fiber Bragg grating (TFBG).

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