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Proceedings Paper

Uniform corrosion monitoring of carbon steel in concrete
Author(s): Janusz M. Smulko; Kazimierz Darowicki; Artur Zielinski
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Paper 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.

Paper Details

Date Published: 25 May 2004
PDF: 7 pages
Proc. SPIE 5472, Noise and Information in Nanoelectronics, Sensors, and Standards II, (25 May 2004); doi: 10.1117/12.547229
Show Author Affiliations
Janusz M. Smulko, Gdansk Univ. of Technology (Poland)
Kazimierz Darowicki, Gdansk Univ. of Technology (Poland)
Artur Zielinski, Gdansk Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 5472:
Noise and Information in Nanoelectronics, Sensors, and Standards II
Janusz M. Smulko; Yaroslav Blanter; Mark I. Dykman; Laszlo B. Kish, Editor(s)

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