This program evaluated the effectiveness of long term cathodic protection (CP) to mitigate corrosion under a disbonded coating that contains an adjacent holiday and is immersed in a high resistivity soil environment. The parameters that were varied included environment resistivity and applied current density. The program also measured the polarization of zinc ribbon specimens when subjected to cathodic protection in the same high resistivity soils.
Keywords: Corrosion, disbonded/disbondment, crevice, buried, pipe/pipelines.