Aluminum alloy sheet for press forming

Details Aluminum alloy sheet for press forming Aluminum alloy sheet for press forming

C - Chemistry, Metallurgy

22

C

C22C 21/02 (2006.01) C22C 21/00 (2006.01) C22C 21/06 (2006.01) C22F 1/00 (2006.01) C22F 1/04 (2006.01) C22F 1/05 (2006.01)

Patent

CA 2690472

This invention provides an aluminum alloy plate for press molding wherein, in aluminum or a texture of an aluminum alloy plate for press molding, the orientation density of CR orientation ({001} <520>; the same shall apply hereinafter) is higher than that in any orientation other than the CR orientation. The orientation density of the CR orientation is preferably not less than 10 (random ratio; the same shall apply hereinafter). Preferably, the orientation densities of all orientations other than the CR orientation are less than 10. The aluminum alloy plate for press molding is preferably formed of an Al-Mg-Si alloy. The present invention provides an aluminum alloy sheet for press forming, having the crystallo-graphic texture in which the orientation density of CR orientation ({001}<520>)is higher than that of any orientation other than the CR orientation. The orientation density of the CR orientation is preferably 10 or more (random ratio). The orientation densities of all orientations other than the CR orientation are preferably less than 10. The aluminum alloy sheet is preferably made of an Al-Mg-Si alloy.

Cette invention porte sur une plaque d'alliage d'aluminium pour un moulage à la presse, où, dans l'aluminium ou une texture d'une plaque d'alliage d'aluminium pour un moulage à la presse, la densité d'orientation de l'orientation CR ({001} <520>; il en est de même dans ce qui suit) est supérieure à celle dans n'importe quelle orientation autre que l'orientation CR. La densité d'orientation de l'orientation CR est, de préférence, non inférieure à 10 (rapport aléatoire; il en est de même dans ce qui suit). De préférence, les densités d'orientation de toutes les orientations autres que l'orientation CR sont inférieures à 10. La plaque d'alliage d'aluminium pour le moulage à la presse est de préférence formée d'un alliage Al-Mg-Si.

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