The effects of mechanical stress, environment and cathodic protection on the degradation and failure of coatings: An overview

Ranade,S, Tan,MYJ and Forsyth,M 2014, The effects of mechanical stress, environment and cathodic protection on the degradation and failure of coatings: An overview, in Corrosion and Prevention : Proceedings of the 2014 Annual Conference of the Australasian Corrosion Association, Australasian Corrosion Association, [Darwin, Northern Terroritory], pp. 1-9.

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Title The effects of mechanical stress, environment and cathodic protection on the degradation and failure of coatings: An overview
Author(s) Ranade,S
Tan,MYJORCID iD for Tan,MYJ orcid.org/0000-0002-0765-108X
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 9
Total pages 9
Publisher Australasian Corrosion Association
Place of publication [Darwin, Northern Terroritory]
Keyword(s) Cathodic protection
Coatings
Pipeline
Stress
Summary Organic coatings have been used in conjunction with cathodic protection as the most economical method of corrosion protection by the oil and gas pipeline industry. In a bid to prolong the life of the pipelines, the degradation and failure of pipeline coatings under the effects of major influencing factors including mechanical stress, the environmental corrosivity and cathodic protection have been extensively investigated over the past decades. This paper provides an overview of recent research for understanding coating degradation under the effect of these factors, either individually or in combination. Electrochemical impedance spectroscopy remains the primary and the most commonly used technique of studying the degradation of organic coatings, although there have been attempts to use other techniques such as electrochemical polarization (both dynamic and static), electrochemical noise, Scanning Kelvin Probe, Fourier Transform Infrared Spectroscopy, Differential Scanning Calorimetry and Dynamic Mechanical Analyser. Major knowledge and technological gaps in the investigation of the combined effects of mechanical stress, environmental corrosivity and cathodic protection on coating degradation have been identified.
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:30069095

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