Laboratory performance of zinc anodes for impressed current cathodic protection of reinforced concrete

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TypeArticle
Journal titleCorrosion
Volume51
Issue8
Pages639644; # of pages: 6
SubjectConcrete
AbstractCathodic protection (CP) is used increasingly to mitigate steel reinforcement corrosion in concrete. The performance of zinc materials as impressed current anodes was evaluated. Theanode materials investigated included rolled zinc sheets, metallized zinc, and 85% Zn-15% At The circuit resistance and the adhesion of the anodes was monitored with polarization time. Overall performance of arc-sprayed zinc was good. However, its adhesion to the concrete surface slowly decreased as the current density, or the polarization period, increased. Penny blank sheets and metallized 85% Zn-15%. Al were found unsuitable as impressed current anodes.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
IdentifierIRC-P-3712
NRC number37866
5504
NPARC number20375278
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Record identifier868bfa05-5679-4352-9b47-c2f774e70852
Record created2012-07-23
Record modified2016-05-09
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