Manufacturing method for aluminum-lithium alloy

Details Manufacturing method for aluminum-lithium alloy Manufacturing method for aluminum-lithium alloy

1991-09-06

1992-12-01

Dean, R.

Alloys or metallic compositions

Aluminum base

420590, 75686, C22C 102, C22C 2100

Patent

active

051679183

ABSTRACT:
A manufacturing method for the production of aluminum-lithium alloys at low cost is disclosed which includes enclosing lithium with aluminum by means of a cold extrusion of pure lithium and melting the aluminum-sealed lithium ingots in an ambient atmospheric condition. The extrusion process can be simply performed in air as well as in an inert atmosphere at room temperature. The atmospheric melting of aluminum-lithium alloys is performed by immersing and agitating aluminum-sealed lithium ingots beneath the surface of molten aluminum with a graphite plunger.

REFERENCES:
patent: 4248630 (1981-02-01), Balmuth
patent: 4556535 (1985-12-01), Bowman et al.
patent: 4567936 (1986-02-01), Binczewski
patent: 4607679 (1986-08-01), Tsai et al.
patent: 4610295 (1986-09-01), Jacoby et al.
patent: 4628985 (1986-12-01), Jacoby et al.
patent: 5091149 (1992-02-01), Shin et al.

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