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Recent developments in characterising electrodeposition of anti-corrosion coatings using the wire beam electrode method

Tan, Yongjun 2009, Recent developments in characterising electrodeposition of anti-corrosion coatings using the wire beam electrode method, in CORROSION 2009 : Proceedings of the 2009 Annual NACE Corrosion Conference, NACE, [Atlanta, Georgia].

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Title Recent developments in characterising electrodeposition of anti-corrosion coatings using the wire beam electrode method
Author(s) Tan, YongjunORCID iD for Tan, Yongjun orcid.org/0000-0002-0765-108X
Conference name Corrosion. NACE Conference (2009 : Atlanta, Georgia)
Conference location Atlanta, Georgia
Conference dates 22-26 Mar. 2009
Title of proceedings CORROSION 2009 : Proceedings of the 2009 Annual NACE Corrosion Conference
Editor(s) [Unknown]
Publication date 2009
Conference series Corrosion NACE Conference
Publisher NACE
Place of publication [Atlanta, Georgia]
Summary New progresses have been made during recent years in the application of the wire beam electrode (WBE, a coupled multielectrode array) for studying electroplating of metallic coatings, for monitoring the electrodeposition of polymer coatings, and for evaluating the performance of anti-corrosion coatings. The WBE allows localized electrode processes to occur over different locations of its surface under external anodic or cathodic polarization and permits monitoring of nonuniform electrodeposition processes. Several typical experiments are presented in this paper. One sample experiment is the characterization of nonuniform electroplating of nickel coating, which was achieved by mapping the distributions of currents over a WBE surface that was under cathodic polarization. Various characteristic current distribution patterns, which indicate different electrodeposition mechanisms or low covering-power, have been observed. These patterns were found to correlate with the effects of several affecting factors such as electrolyte concentration, temperature and agitation flow. Another sample experiment is the investigation of nonuniform anodic electrodeposition of polyaniline (PANI) coatings and the understanding of their anti-corrosion performance and mechanisms. Anodic polarization currents were measured from various locations over the WBE surface in order to produce anodic polarization current maps under PANI deposition.
Language eng
Field of Research 109999 Technology not elsewhere classified
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category E2.1 Full written paper - non-refereed / Abstract reviewed
Persistent URL http://hdl.handle.net/10536/DRO/DU:30054268

Document type: Conference Paper
Collection: School of Engineering
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