Method for producing sialon powders

Details Method for producing sialon powders Method for producing sialon powders

1986-09-23

1989-03-14

Dixon, Jr., William R.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

501 98, 264 65, C01B 3326

Patent

active

048122980

ABSTRACT:
Uniform sialon powders having a sharp particle size distribution are obtained by mixing (i) amorphous silicon nitride powders, (ii) an oxygen-containing compound of silicon or/and aluminum, and (iii) aluminum metal, aluminum nitride and/or silicon, and then heating the resultant mixture at 1300.degree. to 1800.degree. C. in an atmosphere containing nitrogen.

REFERENCES:
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patent: 3991166 (1970-11-01), Jack et al.
patent: 4127416 (1978-11-01), Lumby et al.
patent: 4147759 (1979-04-01), Demit
patent: 4323323 (1982-04-01), Lumby et al.
patent: 4360506 (1982-11-01), Paris et al.
patent: 4438051 (1984-03-01), Mitomo et al.
patent: 4499193 (1985-02-01), Phelps et al.
patent: 4506020 (1985-03-01), Butler
patent: 4552711 (1985-11-01), Raj et al.

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