cathodic corrosion

galvanic corrosion

An electrochemical action which takes place when dissimilar metals are in contact in the presence of an electrolyte, resulting in corrosion.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Furthermore, polarization curves reveal that the addition of the inhibitor significantly diminishes cathodic corrosion processes.
A molybdate-oxyanion complex acts as an anodic corrosion inhibitor and a cerous ion is added as a cathodic corrosion inhibitor.
The experts confirmed that flaws deeper than 0.8 mm involving active corrosion were unlikely in view of the insulation of the pipe, the effective cathodic corrosion protection, the inspected corrosion coupons that had been buried and exposed to the same conditions as the pipeline to determine the rate, and the sufficient input of cathodic protection current.
Nevertheless, we assumed that one pivotal factor governing the retardation of cathodic corrosion reaction by PAPS coating was
We learned that the Earth's magnetism created an electrical field around the pipelines which caused cathodic corrosion. It was later discovered that an outer coating of non-conductive material placed around the pipeline would combat this electric field and prevent the pipeline corrosion.