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Wire beam electrode : a new tool for studying localised corrosion and other heterogeneous electrochemical processes
Heterogeneous electrochemical processes are very common in industry and are important, but difficult topics in electrochemical and corrosion science studies. Traditional electrochemical techniques which employ a conventional one-piece electrode have major limitations in studying heterogeneous electrochemical processes since the one-piece electrode has major difficulties in measuring electrochemical parameters from local areas of the electrode surface. In order to overcome this problem, a multi-piece electrode, namely the wire beam electrode, has been developed. This new electrode enables the measurement of electrochemical parameters from local areas over a working electrode surface and thus it can be used to study heterogeneous electrochemical processes. This paper describes how this new electrode was applied in studying several typical heterogeneous electrochemical processes including water-drop corrosion, corrosion under non-uniform organic films and cathodic protection.
History
Journal
Corrosion scienceVolume
41Issue
2Pagination
229 - 247Publisher
PergamonLocation
Oxford, EnglandPublisher DOI
ISSN
0010-938XeISSN
1879-0496Language
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
0888, Elsevier Science Ltd[ All rights reserved[Usage metrics
Keywords
Cathodic protectionCorrosion inhibitorHeterogeneous electrochemistryLocalised corrosionOrganic coating evaluationWire beam electrodeScience & TechnologyTechnologyMaterials Science, MultidisciplinaryMetallurgy & Metallurgical EngineeringMaterials ScienceORGANIC COATINGSINHOMOGENEITYMechanical Engineering
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