Process for manufacture of porous metal objects and use of the p

Details Process for manufacture of porous metal objects and use of the p Process for manufacture of porous metal objects and use of the p

1978-03-23

1979-11-13

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Mica particles

264120, 264122, B22F 316

Patent

active

041743644

ABSTRACT:
A process for manufacture of porous metal objects particularly for making porous metal molds for use in the casting of ceramic objects. A mixture of aluminum powder and vegetable or animal ash is subjected to cold molding, followed by heating it in an oven to the softening temperature of the aluminum powder and subsequently hot molding of said mixture.

REFERENCES:
patent: 2810182 (1957-10-01), Brandes
patent: 2979401 (1961-04-01), Szymaszek
patent: 2994917 (1961-08-01), Fritsch
patent: 3250838 (1966-05-01), Bartoszak

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