Cordierite ceramic and method of producing the same

Details Cordierite ceramic and method of producing the same Cordierite ceramic and method of producing the same

2009-03-11

2011-11-15

Lorengo, Jerry A (Department: 1731)

Compositions: ceramic

Ceramic compositions

Refractory

C501S112000, C501S122000, C501S129000, C501S144000, C428S116000

Reexamination Certificate

active

08058198

ABSTRACT:
A method of producing cordierite ceramic where the degree of stacking faults and the particle diameter of kaolinite used as a component of a cordierite-forming raw material are appropriately adjusted so that microcracks having an average width of 0.3 μm or more are introduced into the resulting cordierite ceramic to produce a high-quality cordierite ceramic that includes a cordierite crystal oriented in a specific direction and has a porosity of 25% or more and a coefficient of thermal expansion of 0.30×10−6/° C. or less.

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