Cathodic disbonding tests operating at large cathodic potentials for long periods need current monitoring, pH control and anode isolation

Cathodic disbonding tests operating at large cathodic potentials for long periods need current monitoring, pH control and anode isolation

Metallic structures in service in seawater are protected by coupling cathodic protection and paints, where the former may induce disbondment of the latter. A preliminary evaluation of the cathodic disbondment risk can be made by cathodic disbondment tests (CDTs). Many CDTs use cathodic potentials as...

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Veröffentlicht in:Materials and corrosion 2022-12, Vol.73 (12), p.1943-1953
Hauptverfasser: Benedetti, Alessandro, Castelli, Filippo, Stifanese, Roberto, Traverso, Pierluigi, Faimali, Marco, Bergo, Andrea, Delucchi, Marina
Format: Artikel
Sprache:eng
Schlagworte:
Brucite
Calomel electrode
cathodic disbonding test
Cathodic protection
Chemical attack
Chemical effects
Chlorine
Electrode polarization
Electronegativity
free chlorine
Magnesium hydroxide
Monitoring
Paints
Panels
pH control
Seawater
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Beschreibung
Zusammenfassung:Metallic structures in service in seawater are protected by coupling cathodic protection and paints, where the former may induce disbondment of the latter. A preliminary evaluation of the cathodic disbondment risk can be made by cathodic disbondment tests (CDTs). Many CDTs use cathodic potentials as large as E 
ISSN:0947-5117
1521-4176
DOI:10.1002/maco.202213281