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Boundary element method predictions of the influence of the electrolyte on the galvanic corrosion of AZ91D coupled to steel

✍ Scribed by J. X. Jia; G. Song; A. Atrens

Publisher: John Wiley and Sons
Year: 2005
Tongue: German
Weight: 582 KB
Volume: 56
Category: Article
ISSN: 0947-5117
DOI: 10.1002/maco.200403838

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✦ Synopsis

This research investigated the galvanic corrosion of the magnesium alloy AZ91D coupled to steel. The galvanic current distribution was measured in 5% NaCl solution, corrosive water and an auto coolant. The experimental measurements were compared with predictions from a Boundary Element Method (BEM) model. The boundary condition, required as an input into the BEM model, needs to be a polarization curve that accurately reflects the corrosion process. Provided that the polarization curve does reflect steady state, the BEM model is expected to be able to reflect steady state galvanic corrosion. Materials and Corrosion 2005, 56, No. 4 Galvanic corrosion of AZ91D coupled to steel 259

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