Molding refractory and metal shapes by slip-casting

Details Molding refractory and metal shapes by slip-casting Molding refractory and metal shapes by slip-casting

1980-05-19

1982-07-27

Parrish, John A.

Plastic and nonmetallic article shaping or treating: processes

With step of cooling to a temperature of zero degrees c. or...

264 86, C04B 3502

Patent

active

043417256

ABSTRACT:
Dense, essentially flawless, complex refractory or metal shapes are formed by preparing a casting slip of fine refractory or metal powder wherein the slip liquid preferably contains 0.1 to 10% by weight of a hydrogen bond forming compound, casting the slip, freezing the cast slip, removing the solid form from the mold, drying, and finally firing to sinter the refractory or metal particles.

REFERENCES:
patent: 2765512 (1956-10-01), Nesbit
patent: 2893102 (1959-07-01), Maxwell
patent: 2948935 (1960-08-01), Carter
patent: 3205043 (1965-09-01), Taylor
patent: 3567520 (1971-03-01), Dennery
patent: 3576653 (1971-04-01), Miller
patent: 3808143 (1974-04-01), Gardner
patent: 3885005 (1975-05-01), Downiny
Knollenberg, "Urea as an Ice Nucleant for Supercooled Clouds," Tech. Note No. 9, University of Chicago, 4-1-65.

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