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Title: Silicon nitride having a high tensile strength

Patent ·
OSTI ID:392647

A silicon nitride ceramic is disclosed comprising: (a) inclusions no greater than 25 microns in length, (b) agglomerates no greater than 20 microns in diameter, and (c) a surface finish of less than about 8 microinches, said ceramic having a four-point flexural strength of at least about 900 MPa. 4 figs.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
DOE Contract Number:
AC05-84OR21400
Assignee:
Saint-Gobain/Norton Industrial Ceramics Corp., Worcester, MA (United States)
Patent Number(s):
US 5,571,760/A/
Application Number:
PAN: 8-324,937
OSTI ID:
392647
Resource Relation:
Other Information: PBD: 5 Nov 1996
Country of Publication:
United States
Language:
English