C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 12/02 (2006.01) C23C 22/70 (2006.01)
Patent
CA 2473501
According to the invention, an anti-corrosion coating on a magnesium workpiece can be generated, whereby a halide salt is applied in at least one surface coat to the workpiece, with a thermodynamic stability less than a salt formed from magnesium and the same halide, such that, during the application of the halide salt to the workpiece and/or under the influence of a corrosive medium the salt with magnesium is formed.
L'invention concerne un procédé de formation d'une couche de revêtement anticorrosion sur une pièce en magnésium. Ce procédé consiste à introduire, dans au moins une couche superficielle de la pièce, un sel d'un halogène ayant une moins bonne stabilité thermodynamique qu'un sel du même halogène formé avec le magnésium de telle façon que, pendant l'introduction du sel d'halogène, le sel se forme avec le magnésium dans la pièce et/ou sous l'action d'un produit corrosif.
Bach Friedrich-Wilhelm
Haferkamp Heinrich-Dietrich
Kaese Volker
Phan-Tan Tai
Kirby Eades Gale Baker
Universitaet Hannover
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