Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/44583
Title: Scanning electrochemical microscopy for the investigation of localized degradation processes in coated metals
Authors: González-García, Yaiza
Santana, J. J. 
González-Guzmán, Jorge
Izquierdo, Javier
González, Sergio
Souto, Ricardo M.
UNESCO Clasification: 3303 ingeniería y tecnología químicas
3306 Ingeniería y tecnología eléctricas
Keywords: Scanning electrochemical microscopy
Paint coatings
Degradation
Blistering
Water uptake
Issue Date: 2010
Publisher: 0300-9440
Journal: Progress in Organic Coatings 
Abstract: Scanning electrochemical microscopy has been employed to obtain spatially-resolved information regarding surface topology, water uptake and blister formation at intact coatings, as well as the onset and progress of corrosion reactions within coating defects. Topographical lines and maps as well as chronoamperometric plots were measured during operation in the feedback mode. Next, the release of metal ions at the anodic sites and the consumption of oxygen at the cathodic sites developed in holidays could be monitored during operation in the generator–collector mode. Furthermore, the surface topography of defective coatings was imaged by using the redox competition mode.
URI: http://hdl.handle.net/10553/44583
ISSN: 0300-9440
DOI: 10.1016/j.porgcoat.2010.04.006
Source: Progress in Organic Coatings[ISSN 0300-9440],v. 69, p. 110-117
Appears in Collections:Actas de congresos
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