Apparatus and process for filing ceramics

Plastic and nonmetallic article shaping or treating: processes – Outside of mold sintering or vitrifying of shaped inorganic... – Utilizing chemically reactive atmosphere other than air – per...

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264344, 264656, C04B 3332, C04B 3806

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active

056351216

ABSTRACT:
Making denser ceramic sinters by carrying out the sintering operation at elevated temperatures and in 100% oxygen at a pressure of at least 1.5 atmospheres, and then cooling the sinter without control of the ambient atmosphere. The product has a bulk density of at least 98% of the theoretical density of the sinter.

REFERENCES:
patent: 2799912 (1957-07-01), Gregor
patent: 2956024 (1960-10-01), Maxson
patent: 2960744 (1960-11-01), Blank
patent: 3027327 (1962-03-01), Blank
patent: 3853973 (1974-12-01), Hardtl
patent: 4726921 (1988-02-01), Nishigaki
patent: 5039464 (1991-08-01), Wank

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