Studies on Estimating Methods of Polarization Performance for Coated Steel in Seawater

Abstract:

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The polarization curves and electrochemical impedance spectroscopy of coated steel after scratching cross-lines or cathodic polarization using COLT system connected to electrochemical workstation IM6ex in seawater are investigated and from the measured polarization data, potential distribution on hull surface under waterline are predicted using Beasy CP software. It is shown that an more pricise method for gaining polarization data of the coated steel in seawater is the electrochemical measurement carried out by COLT system and the method of scratching cross-lines or cathodic polarization for coating damage is simple and convenient for estimating the polarization data of a new coated hull that is closely related to the coating properties.

Info:

Periodical:

Materials Science Forum (Volumes 654-656)

Main Theme:

Edited by:

Jian-Feng Nie and Allan Morton

Pages:

2418-2421

DOI:

10.4028/www.scientific.net/MSF.654-656.2418

Citation:

Y. H. Qi et al., "Studies on Estimating Methods of Polarization Performance for Coated Steel in Seawater", Materials Science Forum, Vols. 654-656, pp. 2418-2421, 2010

Online since:

June 2010

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Price:

$35.00

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