Production of sialon

Details Production of sialon Production of sialon

1996-01-29

1998-09-29

Jones, Deborah

Compositions: ceramic

Ceramic compositions

Refractory

C04B 3558

Patent

active

058145737

ABSTRACT:
A process is described for preparing .beta.'-sialon comprising heating a mixture of particles comprising from 70% to 90% by weight of particles of an aluminosilicate material and from 30% to 10% by weight of particles of a carbonaceous material at a temperature in the range of from 1300.degree. C. to 1600.degree. C. in nitrogen in a vessel in a manner such that the particles are in substantially continuous motion relative to each other and relative to the nitrogen. The residence time of the particles in the vessel does not exceed 3 hours.

REFERENCES:
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patent: 4499193 (1985-02-01), Phelps et al.
patent: 4511666 (1985-04-01), Phelps et al.
patent: 5110773 (1992-05-01), Corral et al.
Patent Abstracts of Japan, vol. 006, No. 244 (C-138), Dec. 2, 1982 & JP-A-57 145012 (Showa Denko KK; others:02), Sep. 7, 1982--abstract.
Patent Abstracts of Japan, vol. 006, No. 244 (C-138), Dec. 2, 1982 & JP-A-57 145011 (Showa Denko KK; others:02), Sep. 7, 1982--abstract.
Sprechsaal, vol. 117, No. 7, Jul. 1984, Coburg (DE), pp. 627-629, XP002001448 F.K. Van Dijen et al.: "Large scale production of fine non-oxide ceramic powders."
WPI Abstract Accession No. 84-103780/17 & JP 59045912A (Kawasaki Rozai KK)--See attached abstract.
Journal of the Japan Society of Powder Metallurgy vol. 40, No. 12, 12 Dec. 1993 pp. 1223 to 1227 (See abstract).
WPI 83-50388 (JP 58/064267) (Kawasaki Rozai KK).

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