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Atmospheric corrosion mechanisms in precoated sheet

Ziel

The main aim of this project is to improve our knowledge of the fundamental mechanisms in the initiation and propagation of corrosion on pre-painted galvanized sheet beneath the paint layer. Laboratory studies will be made of: - the effect of degreasing treatment on the chemical composition of the surface and the reactivity of the substrate, the adhesion of the primer and resistance to corrosion by delamination; - metallographic cross-sectional examination of the different types of degradation due to atmospheric corrosion as a result of scratches, cracks, grooves and dents; - a qualitative and quantitative description of the mechanisms of corrosion and a simulation of the major stages in degradation by means of suitable electrochemical methods.

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Koordinator

INSTITUT DE RECHERCHES DE LA SIDERURGIE FRANÇAISE
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Adresse
34, rue de la Croix de Fer
78105 PARIS LA DEFENSE
Frankreich

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