Extruded ceramic honeycomb and method

Details Extruded ceramic honeycomb and method Extruded ceramic honeycomb and method

1994-02-28

1995-04-04

Group, Karl

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

501 39, 501 68, 65 338, C03C 1012

Patent

active

054037875

ABSTRACT:
Extruded low-expansion ceramic honeycombs comprising beta-spodumene solid solution as the principal crystal phase and with less than 7 weight percent of included mullite are produced by compounding an extrusion batch comprising a lithium aluminosilicate glass powder and a clay additive, extruding a green honeycomb body from the batch, and drying and firing the green extruded cellular honeycomb to crystallize the glass and clay into a low-expansion spodumene ceramic honeycomb body.

REFERENCES:
patent: 3112184 (1963-11-01), Hollenbach
patent: 3600204 (1971-08-01), Beall et al.
patent: 3790654 (1974-02-01), Bagley
patent: 3885977 (1975-05-01), Lachman et al.
patent: 4126477 (1978-11-01), Reade
patent: 4192665 (1980-03-01), Chyung et al.
patent: 4595662 (1986-06-01), Mochida et al.

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