B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 7/02 (2006.01) B22D 11/00 (2006.01) B22D 11/041 (2006.01)
Patent
CA 2632999
The invention relates to a process for the vertical casting of an intermediate product, comprising step (a) of preparing at least two aluminium-based alloys, especially a first alloy of composition P and a second alloy of composition T; step (b) of casting the first alloy of composition P to a desired height H<SUB>P</SUB>; step (c) of casting an additional desired height H<SUB>T</SUB> of the second alloy of composition T. The invention makes it possible to manufacture monolithic structural elements having usage properties that vary in at least one direction, and especially bifunctional or multifunctional structural elements for fulfilling at least two functions that are conventionally fulfilled by two different parts.
L'invention concerne un procédé de coulée verticale d'un produit intermédiaire, comprenant les étapes de (a) prépara-tion d'au moins deux alliages à base d'aluminium notamment un premier alliage de composition P et un second alliage de composition T ; (b) coulée du premier alliage de composition P jusqu'à une hauteur H p voulue ;(c) coulée d'une hauteur supplémentaire H T voulue du second alliage de composition T. L'invention permet la fabrication d'éléments de structure monolithiques présentant des propriétés d'usage variables dans au moins une direction, et notamment d'éléments de structure bi-fonctionnels ou multifonctionnels permettant d'assumer au moins deux fonctions qui sont traditionnellement assurées par deux pièces différentes.
Commet Benoit
Danielou Armelle
Dumont David
Lequeu Philippe
Ribaud Olivier
Alcan Rhenalu
Constellium France
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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