Compositions: ceramic – Ceramic compositions – Refractory
Reexamination Certificate
2011-04-26
2011-04-26
Group, Karl E (Department: 1731)
Compositions: ceramic
Ceramic compositions
Refractory
Reexamination Certificate
active
07932200
ABSTRACT:
A composition is disclosed comprising a fine zircon component having a median particle size of less than 5 μm, a medium zircon component having a median particle size of from 5 μm to 15 μm, and a sintering aid, wherein the composition, after firing, has a strain rate of less than about 1×10−6/hr. A method for making a green body comprising contacting a fine zircon component having a median particle size of less than 5 μm, a medium zircon component having a median particle size of from 5 μm to 15 μm, and a sintering aid, and then forming the mixture into a desired shape is disclosed.
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M. Awaad et al, ; “Sintering of zircon: the role ofadditives”; British Ceramics Transactions, 2003, vol. 102, No. 2; pp. 69-72.
Addiego William Peter
Glose Christopher Raymond
Corning Incorporated
Group Karl E
Watson Bruce P.
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