Uniform corrosion monitoring of carbon steel in concrete

Janusz M. Smulko; Kazimierz Darowicki; Artur Zielinski

doi:10.1117/12.547229

25 May 2004 Uniform corrosion monitoring of carbon steel in concrete

Janusz M. Smulko, Kazimierz Darowicki, Artur Zielinski

Proceedings Volume 5472, Noise and Information in Nanoelectronics, Sensors, and Standards II; (2004) https://doi.org/10.1117/12.547229
Event: Second International Symposium on Fluctuations and Noise, 2004, Maspalomas, Gran Canaria Island, Spain

Abstract

Corrosion in concrete can cause disastrous destructions of bridges and other constructions. Different methods of corrosion monitoring can be applied including electrochemical noise despite its disadvantageous limitations. Noise measurements enable continuous monitoring of corrosive conditions inside concrete and recognition when corrosion starts to make trouble there. Results of electrochemical noise measurements in concrete are presented. Polarization resistance of carbon steel is estimated by current and voltage noise measurements. Changes of factor 2-4 of the estimated polarization resistance are recognized during time of noise registration. The observed changes in uniform corrosion rate can be identified by electrochemical noise analysis. Limitations of the applied method of polarization resistance evaluation are considered and presented.

Citation Download Citation

Janusz M. Smulko, Kazimierz Darowicki, and Artur Zielinski "Uniform corrosion monitoring of carbon steel in concrete", Proc. SPIE 5472, Noise and Information in Nanoelectronics, Sensors, and Standards II, (25 May 2004); https://doi.org/10.1117/12.547229

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