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Monitoring cathodic shielding and corrosion under disbonded coatings

Varela,F, Tan,Y, Hinton,B and Forsyth,M 2014, Monitoring cathodic shielding and corrosion under disbonded coatings, in ICC 2014 : Proceedings of the 19th International Corrosion Congress, International Corrosion Council, South Korea, pp. 1-6.

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Title Monitoring cathodic shielding and corrosion under disbonded coatings
Author(s) Varela,F
Tan,YORCID iD for Tan,Y orcid.org/0000-0002-0765-108X
Hinton,B
Forsyth,MORCID iD for Forsyth,M orcid.org/0000-0002-4273-8105
Conference name Corrosion Congress (19th : 2014 : Jeju, South Korea)
Conference location Jeju, South Korea
Conference dates 2014/11/2 - 2014/11/6
Title of proceedings ICC 2014 : Proceedings of the 19th International Corrosion Congress
Publication date 2014
Start page 1
End page 6
Publisher International Corrosion Council
Place of publication South Korea
Keyword(s) pipeline
steel
disbonded coating
cathodic protection
corrosion monitoring
Summary This work presents a novel corrosion monitoring probe designed for simulating the conditions developed under disbonded coatings and for measuring current densities and their distribution over a simulated pipeline surface. The probe’s concept was experimentally evaluated via immersion tests under Cathodic Protection (CP) in high resistivity aqueous solution. Under the disbonded area, anodic currents as well as cathodic currents were both measured. Anodic current densities were used to calculate metal losses by means of Faraday’s law. Calculated corrosion patterns were compared with corrosion damage observed at the probe’s surface after a period of test. The probe’s working principles are explained in terms of simple electrochemistry.
Language eng
Field of Research 030304 Physical Chemistry of Materials
091207 Metals and Alloy Materials
Socio Economic Objective 870302 Metals (e.g. Composites
HERDC Research category E3 Extract of paper
ERA Research output type E Conference publication
Copyright notice ©2014, International Corrosion Council
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30073618

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.