Manufacturing method for ceramics and products thereof

Details Manufacturing method for ceramics and products thereof Manufacturing method for ceramics and products thereof

1988-08-26

1991-06-11

Bell, Mark L.

Chemistry of inorganic compounds

Carbon or compound thereof

Oxygen containing

423430, 423419P, 505738, C01C 126

Patent

active

050230670

ABSTRACT:
An extremely pure oxide containing two or more metals, homogeneous at the atomic level, is prepared by (1) reacting in water, soluble salts of two or more metals with quaternary ammonium carbonate; the metals being those that form water-insoluble carbonates, thereby to precipitate mixed carbonates of the metals; (2) recovering and drying the precipitate; (3) calcining the precipitate to provide an oxide of mixed metals homogeneous at the atomic level and substantially free from extraneous contaminants. The calcined oxide can be shaped and compressed as greenware and sintered to form useful ceramic products.

REFERENCES:
patent: 4839339 (1989-06-01), Bunker et al.

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