C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/57 (2006.01) C23C 22/34 (2006.01)
Patent
CA 2446995
The invention relates to a composition and method for treating a magnesium alloy. The inventive composition comprises an acid aqueous solution containing niobium pentoxide, a water-soluble cerium salt and, optionally, a zirconium salt and/or hydrofluoric acid. Said method consists in submerging a magnesium alloy part in said composition. The invention can be used to protect magnesium alloy parts against corrosion.
L'invention concerne une composition et un procédé pour le traitement d'un alliage de magnésium. La composition est constituée par une solution aqueuse acide contenant du pentoxyde de niobium, un sel de cérium soluble dans l'eau et éventuellement un sel de zirconium et/ou de l'acide fluorhydrique. Le procédé consiste à immerger une pièce d'alliage de magnésium dans ladite composition. Application à la protection anti-corrosion des pièces en alliage de magnésium.
Ardelean Helene
Marcus Philippe
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Universite Pierre Et Marie Curie
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