Understanding the effects of electrical interference signals and the environment on the effectiveness of cathodic protection

Huo,Y, Tan,MYJ and Forsyth,M 2014, Understanding the effects of electrical interference signals and the environment on the effectiveness of cathodic protection, in Corrosion and Prevention : Proceedings of the 2014 Annual Conference of the Australasian Corrosion Association, Australasian Corrosion Association, [Darwin, Northern Terroritory], pp. 1-8.

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Title Understanding the effects of electrical interference signals and the environment on the effectiveness of cathodic protection
Author(s) Huo,Y
Tan,MYJ
Forsyth,MORCID iD for Forsyth,M orcid.org/0000-0002-4273-8105
Conference name Australasian Corrosion Association. Conference (2014 : Darwin, Northern Territory)
Conference location Darwin, Northern Terroritory
Conference dates 15-18 Nov. 2014
Title of proceedings Corrosion and Prevention : Proceedings of the 2014 Annual Conference of the Australasian Corrosion Association
Editor(s) [Unknown]
Publication date 2014
Conference series Australasian Corrosion Association Conference
Start page 1
End page 8
Total pages 8
Publisher Australasian Corrosion Association
Place of publication [Darwin, Northern Terroritory]
Keyword(s) Cathodic protection
Corrosion testing
Cp efficiency
Pipeline corrosion
Stray current corrosion
Summary Cathodic protection (CP) failure due to excursions from safe CP levels is a challenge for the protection and maintenance of buried energy pipelines. Although research shows that stray current is a major factor contributing to CP failure, there is little consensus on how 'big' the excursions (either in magnitude, length or frequency) need to be in order to cause pipeline corrosion problems. This uncertainty has caused difficulties in selecting suitable parameters in relevant industry standards. This paper provides a brief review of past research on different factors affecting CP efficiency. Preliminary results from new electrochemical cells designed to develop an understanding of how CP excursions away from the 'safe' level can lead to corrosion problems are also presented.
Language eng
Field of Research 030604 Electrochemistry
091207 Metals and Alloy Materials
Socio Economic Objective 870302 Metals (e.g. Composites, Coatings, Bonding)
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2014, Australasian Corrosion Association
Persistent URL http://hdl.handle.net/10536/DRO/DU:30069097

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