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Corrosion Inhibition of AA2024-T3 by Vanadates

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/49203

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Title: Corrosion Inhibition of AA2024-T3 by Vanadates
Creators: Iannuzzi, M.; Frankel, G. S.
Issue Date: 2006
Publisher: The Electrochemical Society
Citation: M. Iannuzzi and G. S. Frankel, "Corrosion Inhibition of AA2024-T3 by Vanadates," ECS Transactions 3, no. 31 (2007), doi:10.1149/1.2789221
DOI: 10.1149/1.2789221
Abstract: The speciation of vanadate solutions and the resultinginhibition of oxygen reduction and corrosion of AA2024-T3 wereinvestigated. 51V NMR is very useful for assessing vanadatespeciation. Clear metavanadate solutions contain nodecavanadate, which forms whenever the pH was decreased by theaddition of acid. Orange decavanadate solutions contain nomonovanadate, even when the pH is adjusted to high values.Monovanadate is a potent inhibitor in contrast to decavanadate. Inhibition by monovanadate seems to result from an adsorptionmechanism rather than reduction. Monovanadate effectivelyprotects S phase particles. Aging of high-pH decavanadatesolutions does not improve the inhibition performance or resultin complete depolymerization of the decavanadate.
ISSN: 1938-6737
URI: http://hdl.handle.net/1811/49203
Rights: © The Electrochemical Society, Inc. 2007. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS). The archival version of this work was published in ECS Transactions, 3 (31) 127-141.
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