Mullite by reactive hot pressing

Compositions: ceramic – Ceramic compositions – Refractory

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423327, 264125, C04B 3518

Patent

active

046409041

ABSTRACT:
A mixture of alumino-silicate glass and alumina having a composition corresponding to mullite and containing a nucleating mullite powder is hot pressed producing a dense polycrystalline mullite body having an average grain size of less than 15 microns.

REFERENCES:
patent: 1862974 (1932-06-01), McDougal
patent: 3826813 (1974-07-01), Gardner et al.
patent: 3922333 (1975-11-01), Mazdiyasni et al.
patent: 4266978 (1981-05-01), Prochazka
patent: 4272500 (1981-06-01), Eggerding et al.
patent: 4384046 (1983-05-01), Nakagami et al.
patent: 4418024 (1983-11-01), Prochazka et al.
patent: 4539300 (1985-09-01), Coblenz

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