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Title: Method for improving the toughness of silicon carbide-based ceramics

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.
Inventors:
 [1];  [2]
  1. (Ann Arbor, MI)
  2. (Dexter, MI)
Issue Date:
OSTI Identifier:
870713
Assignee:
Regents Of University of Michigan (Ann Arbor, MI) ORNL
Patent Number(s):
US 5580510
Contract Number:
AC05-84OR21400
Research Org:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
method; improving; toughness; silicon; carbide-based; ceramics; sic-based; sic; aln; optionally; alpha; -si; hot; pressed; form; material; polytypoids; structure; based ceramics; hot pressed; silicon carbide; silicon carbide-based; hot press; based ceramic; /264/501/

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