Aluminum-lithium alloys and method of making the same

Details Aluminum-lithium alloys and method of making the same Aluminum-lithium alloys and method of making the same

C - Chemistry, Metallurgy

22

C

75/79, 148/35.5

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

Patent

CA 1283565

Abstract An aluminum base alloy wrought product having an isotropic texture and a process for preparing the same is disclosed. The product has the ability to develop improved properties in the 45° direction in response to an aging treatment and is comprised of 0.5 to 4.0 wt.% Li, 0 to 5.0 wt.% Mg, up to 5.0 wt.% Cu, 0 to 1.0 wt.% Zr, 0 to 2.0 wt.% Mn, 0 to 7.0 wt.% Zn, 0.5 wt.% max. Fe, 0.5 wt.% max. Si, the balance aluminum and incidental impurities. The product has imparted thereto, prior to a hot rolling step, a recrystallization effect to provide therein after hot rolling a metallurgical structure generally lacking intense work texture characteristics. After an aging step, the product has improved levels of properties in the 45° direction.

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