Cathodic disbonding on coated steel panels was studied The coating was
applied by airless spraying on blast-cleaned steel surfaces. The impo
rtance of electrolyte, polarization potential, dry film thickness, and
temperature was investigated. The time dependence of disbonding was d
etermined in a long-term test in natural seawater Implications of the
test results for the relevance of the ASTM G 8 test were reviewed.