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Influence of a magnetic field on the electrochemical rest potential

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dc.contributor.author Rhen, Fernando M.F.
dc.contributor.author Fernandez, Damaris
dc.contributor.author Hinds, Gareth
dc.contributor.author Coey, John Michael David
dc.date.accessioned 2010-09-06T16:23:06Z
dc.date.available 2010-09-06T16:23:06Z
dc.date.issued 2006
dc.identifier.uri http://hdl.handle.net/10344/537
dc.description peer-reviewed en_US
dc.description.abstract The influence of an external magnetic field on the rest potential ΔE0 of ferromagnetic and nonferromagnetic electrodes is studied. The shift E0 is measured as a function of magnetic field magnitude and direction, pH, electrolyte composition, solution agitation, and electrode roughness. Anodic shifts can be observed not only for ferromagnetic electrodes (iron, cobalt, nickel), but also for nonmagnetic electrodes (zinc, manganese). The essential condition to observe the shift is that the electrode should be actively corroding. An anodic shift is observed when the cathodic corrosion current is mass-transport limited. The primary mechanism for the effect is agitation of the electrolyte near the electrode surface due to Lorentz force acting on the corrosion currents directly, or via the electrokinetic effect. A smaller influence of magnetic field gradient produced by ferromagnetic electrodes is identified. en_US
dc.language.iso eng en_US
dc.publisher The Electrochemical Society en_US
dc.relation.ispartofseries Journal of The Electrochemical Society;153/ 1/ J1-J7
dc.relation.uri http://dx.doi.org/10.1149/1.2135207
dc.subject magnetic field en_US
dc.title Influence of a magnetic field on the electrochemical rest potential en_US
dc.type Journal Article en_US
dc.type.supercollection all_ul_research en_US
dc.type.supercollection ul_published_reviewed en_US
dc.type.restriction none en
dc.contributor.sponsor SFI
dc.contributor.sponsor CONACYT


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