Corrosion resistance of functionally graded coatings on plain steel rebars

Jaesuk Ryou, Thomas Voigt, Maria S. Konsta-Gdoutos, Dominic J. Varacalle, Thomas O Mason, Surendra P. Shah

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The experimental results obtained on steel rebars with coatings of Si-based particles are described in this paper. It is well known that adding Si to metals generally increases their corrosion, oxidation, and erosion resistance. In this study, it is chosen to use Si-based coatings because of their proven capacity for corrosion protection in Cl- environments. In addition, this paper presents impedance spectroscopy as an alternate technique in determining the corrosion activity of coated steel rebars. Impedance spectroscopy is an electrochemical measurement technique, which measures the response of a system to an applied alternating signal. A major benefit of the technique is its ability to monitor both the bulk and interfacial responses. This research was conducted to characterize the impedance response of several coatings on steel rebars, and in so doing, further understanding of the corrosion susceptibility of the systems. The results suggest that impedance spectroscopy may be useful for monitoring corrosion activity on coated rebar.

Original languageEnglish
Pages (from-to)69-75
Number of pages7
JournalJournal of Advanced Concrete Technology
Volume3
Issue number1
Publication statusPublished - Feb 2005

Fingerprint

Steel
Corrosion resistance
Corrosion
Coatings
Spectroscopy
Corrosion protection
Erosion
Metals
Oxidation
Monitoring

ASJC Scopus subject areas

  • Building and Construction

Cite this

Ryou, J., Voigt, T., Konsta-Gdoutos, M. S., Varacalle, D. J., Mason, T. O., & Shah, S. P. (2005). Corrosion resistance of functionally graded coatings on plain steel rebars. Journal of Advanced Concrete Technology, 3(1), 69-75.

Corrosion resistance of functionally graded coatings on plain steel rebars. / Ryou, Jaesuk; Voigt, Thomas; Konsta-Gdoutos, Maria S.; Varacalle, Dominic J.; Mason, Thomas O; Shah, Surendra P.

In: Journal of Advanced Concrete Technology, Vol. 3, No. 1, 02.2005, p. 69-75.

Research output: Contribution to journalArticle

Ryou, J, Voigt, T, Konsta-Gdoutos, MS, Varacalle, DJ, Mason, TO & Shah, SP 2005, 'Corrosion resistance of functionally graded coatings on plain steel rebars', Journal of Advanced Concrete Technology, vol. 3, no. 1, pp. 69-75.
Ryou J, Voigt T, Konsta-Gdoutos MS, Varacalle DJ, Mason TO, Shah SP. Corrosion resistance of functionally graded coatings on plain steel rebars. Journal of Advanced Concrete Technology. 2005 Feb;3(1):69-75.
Ryou, Jaesuk ; Voigt, Thomas ; Konsta-Gdoutos, Maria S. ; Varacalle, Dominic J. ; Mason, Thomas O ; Shah, Surendra P. / Corrosion resistance of functionally graded coatings on plain steel rebars. In: Journal of Advanced Concrete Technology. 2005 ; Vol. 3, No. 1. pp. 69-75.
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