Production of beta-alumina ceramic articles and furnace therefor

Details Production of beta-alumina ceramic articles and furnace therefor Production of beta-alumina ceramic articles and furnace therefor

1975-09-22

1978-01-24

Envall, Jr., R. N.

Electric heating

Microwave heating

Tunnel furnace

219 1049R, 264 65, H05B 500

Patent

active

040705420

ABSTRACT:
In making .beta.-alumina ceramic articles by a fast firing technique in which the green shapes of compressed powder material are sintered by passing them continuously through a tubular furnace, the furnace is sloped upwardly to give convective air flow forwardly through the furnace at a speed not less than the speed of movement of the article or other means are provided for causing such an air flow or flow of other oxygen-containing gas. An induction furnace is described having a rotating tube and automatic temperature control means.

REFERENCES:
patent: 3226465 (1965-12-01), Downing et al.
"Production of .beta.-Al.sub.2 O.sub.3 Electrolyte"; Proceedings of British Ceramics Society, No. 19, 1971, pp. 161-178.

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