WIT Press


The Effect Of Protective Coatings On Galvanic Corrosion For Bolted Components

Price

Free (open access)

Paper DOI

10.2495/BT010261

Volume

27

Pages

10

Published

2001

Size

1,491 kb

Author(s)

K.S. Yeung

Abstract

The effect of protective coatings on galvanic corrosion for bolted components K.S. Yeung Ford Motor Company, MI, USA Abstract The increasing demands for better fuel-efficiency have led the automobile industry to use lightweight metals such as aluminum and magnesium in conjunction with conventional metals such as steel. Galvanic corrosion is the unfortunate result of this "mixed metals" usage. The automobile companies rely primarily on proving ground testing to evaluate the severity of corrosion. Such a procedure is costly and time consuming. The objective of this project is to explore the feasibility of using computer simulation to predict galvanic corrosion in automobile environments. The BEASY code has been chosen for this project. There are two parts in the study. The first part is to validate BEASY and the second part is to perform the bolted component corrosion simulations. This study shows that with as little as 2 mm of protective coatings, the peak corrosi

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