Method of preparing sialon products

Details Method of preparing sialon products Method of preparing sialon products

1980-07-30

1982-11-23

Meros, Edward J.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

264 56, 264 59, 264 65, 501100, 501128, C01B 3326, C04B 3558, C04B 3564

Patent

active

043605060

ABSTRACT:
The invention relates to a method of preparing a product containing, as a single crystalline phase, a solid solution or .beta.'-sialon type having the general formula Si.sub.6-Z Al.sub.Z O.sub.Z N.sub.8-Z where Z=1 to 4, which comprises heating in a nitrogen atmosphere, at 1400.degree.-1600.degree. C., agglomerated elements obtained by drying a paste comprising a silico-aluminous material, such as kaolinitic clay, carbon, and a pore-generating agent comprised of fine particles of a ligneous material, such as sawdust or a powder of olive stones.

REFERENCES:
patent: 3960581 (1976-06-01), Cutler
patent: 3991148 (1976-11-01), Lumby et al.
patent: 3991166 (1976-11-01), Jack et al.

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