Casting aluminum alloys with a mold header comprising delaminate

Details Casting aluminum alloys with a mold header comprising delaminate Casting aluminum alloys with a mold header comprising delaminate

1987-11-19

1988-09-27

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164138, 164459, 164529, B22C 100

Patent

active

047734701

ABSTRACT:
A process for continuous direct chill casting of aluminum alloys, particularly aluminum-lithium alloys. The molten alloy is cast in a mold containing a header comprising delaminated vermiculite or spodumene or lithium aluminate. The header preferably comprises delaminated vermiculite blended with wollastonite, lime, silica, and wood fiber. The mixture is slurried with water, molded into shape, compressed to expel water, steam cured, and dried. The header forms ingots of good quality and has excellent resistance to attack by molten aluminum-lithium alloys.

REFERENCES:
patent: 1812306 (1931-06-01), Russ
patent: 2462255 (1949-02-01), Charman et al.
patent: 3212142 (1965-10-01), Moritz
patent: 4075804 (1978-02-01), Zimmerman
patent: 4111712 (1978-09-01), Pusch
patent: 4128434 (1978-12-01), Pusch
patent: 4607679 (1986-08-01), Tsai et al.

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