Process for preparing aluminum nitride powder via controlled com

Details Process for preparing aluminum nitride powder via controlled com Process for preparing aluminum nitride powder via controlled com

1991-05-03

1992-06-30

Langel, Wayne

Chemistry of inorganic compounds

Nitrogen or compound thereof

Binary compound

C01B 21072

Patent

active

051261219

ABSTRACT:
Rapidly heat powdered aluminum in the presence of a source of nitrogen at a temperature of 1873 to 2373 K. to produce aluminum nitride, then promptly quench the aluminum nitride product. The product has a surface area between 2 and 8 square meters per gram and an oxygen content of less than 1.2 weight percent.

REFERENCES:
patent: 4610857 (1986-09-01), Ogawa et al.
patent: 4612045 (1986-09-01), Shintaku
patent: 4812166 (1989-03-01), Saiki et al.
patent: 4877759 (1989-10-01), Holt et al.
N. Hotta et al., Continuous Synthesis and Properties of Fine AlN Powder by Floating Nitridation Technique, Nippon Ceramics, 96[7], 731-735 (1988).

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