Galicia, Gonzalo and Pébère, Nadine and Tribollet, Bernard and Vivier, Vincent Local and global electrochemical impedances applied to the corrosion behaviour of an AZ91 magnesium alloy. (2009) Corrosion Science, 51 (8). 1789-1794. ISSN 0010-938X
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(Document in English)
PDF (Author's version) - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader 833kB |
Official URL: http://dx.doi.org/10.1016/j.corsci.2009.05.005
Abstract
The electrochemical behaviour of an AZ91 magnesium alloy was investigated in a low aggressive medium by means of local and global electrochemical impedance measurements. The results were compared to those obtained on a pure magnesium sample. It was possible to show the individual contribution of each phase constituting the alloy, and it was observed that the corrosion mechanism of the two phases was the same, controlled by the Mg dissolution. However, local impedance diagrams clearly indicated that the kinetics dissolution of the b-phase was slower than that of the a-phase, which was in good agreement with SEM observations.
| Item Type: | Article |
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| Additional Information: | Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Corrosion Science website : http://www.sciencedirect.com/science/journal/0010938X |
| Audience (journal): | International peer-reviewed journal |
| Uncontrolled Keywords: | |
| Institution: | Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE) Other partners > Université Pierre et Marie Curie, Paris 6 - UPMC (FRANCE) Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE) French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE) |
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| Statistics: | download |
| Deposited By: | Nihad Lahdifi |
| Deposited On: | 08 Jul 2010 14:36 |
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