Compositions: ceramic – Ceramic compositions – Refractory
Patent
1989-09-18
1990-05-08
Dixon, Jr., William R.
Compositions: ceramic
Ceramic compositions
Refractory
501102, 501 80, 264 43, 264 44, 428116, 428118, C04B 3800, C04B 3548
Patent
active
049238302
ABSTRACT:
The present invention relates to ceramic bodies suitable for use in high temperature applications such as molten metal filters and kiln furniture. The ceramic bodies are formed from partially stabilized zirconia and are characterized by the presence of from about 12% to about 80% by weight zirconia in a monoclinic phase and the balance essentially in a cubic phase at room temperature. The ceramic bodies possess an excellent combination of physical properties including high temperature strength and thermal shock resistance. The invention also relates to the process for forming the ceramic bodies and the thixotropic ceramic slurry used therein.
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Bosomworth Paul
Butcher Kenneth
Everhart Richard
Hoffmann Matthias
Dixon Jr. William R.
Swiss Aluminum Ltd.
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