Chemically passivated article made of magnesium or its alloys.

Details Chemically passivated article made of magnesium or its alloys. Chemically passivated article made of magnesium or its alloys.

C - Chemistry, Metallurgy

23

C

C23C 22/68 (2006.01) C23C 22/40 (2006.01)

Patent

CA 2367509

The invention relates to an object made of magnesium or alloys thereof, whose surface is partially or wholly covered with a conversion layer. Said conversion layer contains MgO, Mn2O3 and MnO2 in addition to at least one oxide from the vanadium, molybdenum and tungsten group. The invention also relates to a method for producing such an object and the use thereof.

L'invention concerne un article en magnésium ou ses alliages, dont la surface est revêtue totalement ou en partie par une couche de conversion. Cette dernière contient du MgO, du Mn¿2?O¿3? et du MnO¿2?, ainsi qu'au moins un oxyde du groupe comprenant le vanadium, le molybdène et le tungstène. L'invention concerne également le procédé de fabrication et l'utilisation dudit article.

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