Porous silicon oxynitride refractory shapes

Details Porous silicon oxynitride refractory shapes Porous silicon oxynitride refractory shapes

1976-11-10

1978-01-17

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 40R, 106 44, 106 69, 106 735, C04B 3558

Patent

active

040690580

ABSTRACT:
A porous refractory body is formed by bonding Si.sub.2 ON.sub.2 grain or other suitable refractory grain with fine crystals of Si.sub.2 ON.sub.2 formed in situ by firing a shaped body under nitridation conditions. The body has an open pore structure, is resistant to the constituents of an aluminum chloride electrolysis cell and has good structural strength.

REFERENCES:
patent: 3356513 (1967-12-01), Washburn
patent: 3639101 (1972-02-01), Washburn
patent: 3679444 (1972-07-01), Washburn
patent: 3785941 (1974-01-01), Jacobs

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