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Galvanic corrosion of aluminium–copper model alloys

Idrac, Jonathan and Mankowski, Georges and Thompson, George and Skeldon, Peter and Kihn, Yolande and Blanc, Christine Galvanic corrosion of aluminium–copper model alloys. (2007) Electrochimica Acta, 52 (27). 7626-7633. ISSN 0013-4686

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Official URL: http://dx.doi.org/10.1016/j.electacta.2007.05.056


Galvanic coupling between different α and θ phase-containing model Al–Cu alloys, deposited by magnetron sputtering, has revealed that the anodic α phase did not suffer corrosion and remained in the passive state in sulphate solution. Conversely, sulphate ions induced pitting of the cathodic θ phase. Pitting susceptibility of the cathode increased when the difference between the copper content of the anode and cathode increased. Similar observations were made for all the galvanic couples; further, the higher the copper content of a phase, then the greater its susceptibility to pitting.

Item Type:Article
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 Electrochimica Acta website : http://www.sciencedirect.com/science/journal/00134686
HAL Id:hal-00806058
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > University of Manchester (UNITED KINGDOM)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Laboratory name:
Deposited On:25 May 2009 07:26

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