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Silicon nitride having a high tensile strength

United States Patent

5,759,481
June 2, 1998
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A ceramic body comprising at least about 80 w/o silicon nitride and having a mean tensile strength of at least about 800 MPa.
Pujari; Vimal K. (Northboro, MA), Tracey; Dennis M. (Medfield, MA), Foley; Michael R. (Oxford, MA), Paille; Norman I. (Oxford, MA), Pelletier; Paul J. (Sutton, MA), Sales; Lenny C. (Grafton, MA), Willkens; Craig A. (Worcester, MA), Yeckley; Russell L. (Latrobe, PA)
Saint-Gobain/Norton Industrial Ceramics Corp. (Worcester, MA)
08/ 739,107
October 25, 1996
STATEMENT OF GOVERNMENT SUPPORT This invention was developed under U.S. Government Contract No. DE-AC05-84OR21400 awarded by The United States Department of Energy.