Corrosion protection assessment of barrier properties of several zinc-containing coating systems on steel in artificial seawater

D. P. Schmidt; B. A. Shaw; E. Sikora; W. W. Shaw

doi:10.5006/1.3280665

Corrosion protection assessment of barrier properties of several zinc-containing coating systems on steel in artificial seawater

D. P. Schmidt, B. A. Shaw, E. Sikora, W. W. Shaw

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

The present investigation assessed the corrosion protection performance of different Zn sacrificial coating system configurations during constant immersion in artificial seawater. Visual observations and electrochemical measurements (including electrochemical impedance spectroscopy, EIS) were made periodically throughout up to two years of exposure time. Open-circuit potentials (E _∏) and low-frequency impedance values were plotted vs. time to investigate the corrosion protection of the steel substrates provided by coating system components as a function of exposure time. Visual obseruafions, E _∏'s, and EIS as a function of immersion time provided complementary results. Impedance results were found to be useful in predicting coating failure as long as the exact corrosion process is well understood.

Original language	English (US)
Pages (from-to)	323-339
Number of pages	17
Journal	Corrosion
Volume	62
Issue number	4
DOIs	https://doi.org/10.5006/1.3280665
State	Published - May 2006

All Science Journal Classification (ASJC) codes

General Chemistry
General Chemical Engineering
General Materials Science

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abstract = "The present investigation assessed the corrosion protection performance of different Zn sacrificial coating system configurations during constant immersion in artificial seawater. Visual observations and electrochemical measurements (including electrochemical impedance spectroscopy, EIS) were made periodically throughout up to two years of exposure time. Open-circuit potentials (E ∏) and low-frequency impedance values were plotted vs. time to investigate the corrosion protection of the steel substrates provided by coating system components as a function of exposure time. Visual obseruafions, E ∏'s, and EIS as a function of immersion time provided complementary results. Impedance results were found to be useful in predicting coating failure as long as the exact corrosion process is well understood.",

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AU - Sikora, E.

AU - Shaw, W. W.

PY - 2006/5

Y1 - 2006/5

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AB - The present investigation assessed the corrosion protection performance of different Zn sacrificial coating system configurations during constant immersion in artificial seawater. Visual observations and electrochemical measurements (including electrochemical impedance spectroscopy, EIS) were made periodically throughout up to two years of exposure time. Open-circuit potentials (E ∏) and low-frequency impedance values were plotted vs. time to investigate the corrosion protection of the steel substrates provided by coating system components as a function of exposure time. Visual obseruafions, E ∏'s, and EIS as a function of immersion time provided complementary results. Impedance results were found to be useful in predicting coating failure as long as the exact corrosion process is well understood.

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Corrosion protection assessment of barrier properties of several zinc-containing coating systems on steel in artificial seawater

Abstract

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