Understanding the effectiveness of cathodic protection under disbonded coatings

• A systematic study of CP current distribution under disbonded coatings is presented. • The effects of CP potential, solution conductivity and crevice gap size have been analysed. • It has been found that local pH determines the rate of corrosion at CP shielded locations. • The accuracy and limitat...
Ausführliche Beschreibung

• A systematic study of CP current distribution under disbonded coatings is presented. • The effects of CP potential, solution conductivity and crevice gap size have been analysed. • It has been found that local pH determines the rate of corrosion at CP shielded locations. • The accuracy and limitations of prior mathematical models have been experimentally assessed. • A new model is presented to explain the CP current distribution under disbonded coatings. Ausführliche Beschreibung