Aluminium foil

Details Aluminium foil Aluminium foil

C - Chemistry, Metallurgy

22

C

C22C 21/00 (2006.01) C22F 1/04 (2006.01)

Patent

CA 2185216

Aluminium foil is composed of an alloy of composition Fe 1.2 - 2.0 %; Mn 0.2 - 1.0 %; Mg and/or Cu 0.1 - 0.5 %; Si up to 0.4 %; Zn up to 0.1 %; balance A? of at least commercial purity. The foil has an average grain size below 5 µm and is continuously recrystallised with a substantially retained rolling texture. The solute elements Mg and/or Cu increase strength without inhibiting continuous recrystallisation.

Une feuille en aluminium est composée d'un alliage présentant la répartition suivante: Fe 1,2 - 2 %; Mn 0,2 - 1 %; Mg et/ou Cu 0,1 - 0,5 %; Si 0,4 % maximum; Zn 0,1 % maximum; le reste étant constitué par Al possédant au moins une pureté marchande. La dimension moyenne de grain de la feuille se situe au-dessous de 5 µm et elle est recristallisée en continu, tout en conservant pratiquement sa texture de laminage. Les éléments en solution Mg et/ou Cu augmentent la résistance sans inhiber la recristallisation continue.

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