Use of silicon in liquid sintered silicon nitrides and sialons
Patent
·
OSTI ID:7248432
This invention relates to the production of improved high density nitrogen based ceramics by liquid-phase densification of silicon nitride or a compound of silicon-nitrogen-oxygen-metal, e.g. a sialon. In the process and compositions of the invention minor amounts of finely divided silicon are employed together with the conventional liquid phase producing additives to enhance the densification of the resultant ceramic. 4 figs.
- Research Organization:
- Cornell University
- DOE Contract Number:
- AC02-77ER04386
- Assignee:
- Cornell Research Foundation, Inc., Ithaca, NY (United States)
- Patent Number(s):
- US 4487840; A
- Application Number:
- CNN: DMR-79-24008; PPN: US 6-506466
- OSTI ID:
- 7248432
- Country of Publication:
- United States
- Language:
- English
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