High strength substantially non-microcracked cordierite...

Details High strength substantially non-microcracked cordierite... High strength substantially non-microcracked cordierite...

2007-08-29

2009-08-18

Speer, Timothy M (Department: 1794)

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

C055S523000, C501S009000

Reexamination Certificate

active

07575794

ABSTRACT:
Porous, non-microcracked cordierite ceramic bodies having high strength, high strain tolerance, and high thermal shock resistance are produced from cordierite powder batch mixtures of controlled powder particle size fired according to a schedule that prevents objectionable cordierite grain growth, maintaining a small cordierite crystalline domain size in order to minimize or prevent microcracking in the product.

REFERENCES:
patent: 5549725 (1996-08-01), Kasai et al.
patent: 5552349 (1996-09-01), Ichii et al.
patent: 6736875 (2004-05-01), Gadkaree et al.
patent: 2004/0029707 (2004-02-01), Beall et al.
patent: 1 586 547 (2005-10-01), None
patent: 00/40521 (2000-07-01), None

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