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

From National Research Council Canada

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Affiliation
  1. National Research Council of Canada
  2. National Research Council of Canada. NRC Institute for Research in Construction
FormatText, Article
SubjectConcrete
Abstract
Cathodic 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.
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  • Corrosion 51, no. 8 (1 August 1995): 639–644.
LanguageEnglish
Peer reviewedYes
IdentifierIRC-P-3712
NRC numberNRCC 37866
NRC-IRC-5504
NPARC number20375278
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Record identifier868bfa05-5679-4352-9b47-c2f774e70852
Record created2012-07-23
Record modified2020-06-06
Date modified: