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Method for improving the toughness of silicon carbide-based ceramics

United States Patent

5,580,510
December 3, 1996
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
Method of improving the toughness of SiC-based ceramics. SiC, , AlN, Al.sub.2 O.sub.3 and optionally .alpha.-Si.sub.3 N.sub.4 are hot pressed to form a material which includes AlN polytypoids within its structure.
Tein; Tseng-Ying (Ann Arbor, MI), Hilmas; Gregory E. (Dexter, MI)
The Regents Of The University of Michigan (Ann Arbor, MI)
08/ 166,675
December 14, 1993
GOVERNMENT SUPPORT STATEMENT This invention was made with Government support under contract number DE-ACO5-840R21400 awarded by the Department of Energy. The Government has certain rights in the invention.