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Microelectrochemistry : Localized Monitoring of Passivity and Corrosion
Lohrengel, M. M.,Moehring, A.,Pilaski, M. 한국부식방식학회 2002 Corrosion Science and Technology Vol.31 No.5
Electrochemistry is a very surface sensitive method but the bad lateral resolution had to be overcome. Recently developed micro techniques enable an application of the complete range of common potentiostatic and galvanostatic techniques together with a high spatial resolution.
Effects of Texture on the Electrochemical Properties of Single Grains in Polycrystalline Zinc
Park, Chan-Jin,Lohrengel, Manuel M.,Hamelmann, Tobias,Pilaski, Milan,Kwon, Hyuk-Sang 한국부식방식학회 2004 Corrosion Science and Technology Vol.3 No.2
Effects of texture on the electmchemical behaviors of single grains in polycrystalline zinc were investigated using a capillary-based micro-droplet cell. Pontiodynamic sweeps and capacity measurements were carried out in pH 9 borate buffer solution. The cyclic voltammograms and the capacity measurements on single grains with different crystallographic orientations in polycrystalline Zn showed a strong dependence of oxide growth on crystallographic grain orientation. The total charge consumed for oxide formation and the inverse capacity increased with an increase of surface packing density of grain, suggesting the oxide formation was greater on grains with higher surface packing density.