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Use of free silicon in liquid phase sintering of silicon nitrides and sialons

Patent ·
OSTI ID:865665
 [1];  [1]
  1. Ithaca, NY
+ Show Author Affiliations
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.
Research Organization:
Cornell University
DOE Contract Number:
AC02-77ER04386
Assignee:
Cornell Research Foundation, Inc. (Ithaca, NY)
Patent Number(s):
US 4552711
Application Number:
06/634,530
OSTI ID:
865665
Country of Publication:
United States
Language:
English

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/264/501/
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finely
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