C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 21/06 (2006.01) B22D 21/04 (2006.01) C22C 1/02 (2006.01)
Patent
CA 2336016
The invention relates to a method for making an aluminium alloy melt containing at least 2.5 wt. % magnesium less susceptible to scratching. According to said method, 0.02 to 0.15 wt. % vanadium and less than 60 ppm beryllium is added to the melt. By adding vanadium, it is possible to add less beryllium and as a result, the melt is more scratch-resistant.
L'invention concerne un procédé permettant de réduire la vulnérabilité au grattage d'une masse fondue d'alliage d'aluminium ayant une teneur d'au moins 2,5 % en poids de magnésium. Selon ce procédé, on ajoute 0,02 à 0,15 % en poids de vanadium et au moins 60 ppm de béryllium à la masse fondue. L'adjonction de vanadium permet de réduire l'apport de béryllium et simultanément d'augmenter la résistance au grattage de la masse fondue.
Aluminium Rheinfelden Gmbh
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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