Aluminium-lithium alloys

Details Aluminium-lithium alloys Aluminium-lithium alloys

2006-01-31

2006-01-31

Wyszomierski, George (Department: 1742)

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

C148S694000, C148S700000

Reexamination Certificate

active

06991689

ABSTRACT:
An aluminum based alloy having a composition within the following ranges, all of the ranges being in weight percent: lithium 2.0 to 2.8, magnesium 0.4 to 1.0, copper 2.0 to 3.0, manganese 0.7 to 1.2, zirconium up to 0.2 and the balance aluminum, save for incidental impurities and up to 2.0 in total of one or more grain controlling elements to provide microstructural optimization and control.

REFERENCES:
patent: 4806174 (1989-02-01), Cho et al.
patent: 4840683 (1989-06-01), Dubost
patent: 5066342 (1991-11-01), Rioja et al.
patent: 0 088 511 (1983-09-01), None
patent: 61-023751 (1986-02-01), None
patent: WO 91 08319 (1991-06-01), None
“Aluminum and Aluminum Alloys”, ASM International (1993), p 247-248.
Patent Abstracts of Japan, vol. 010, No. 172, Jun. 18, 1986 & JP 61 023751 A, Feb. 1, 1986.
Patent Abstracts of Japan, vol. 015, No. 064, Feb. 15, 1991 & JP 02 290952, Nov. 30, 1990.

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