Chemistry of inorganic compounds – Nitrogen or compound thereof – Binary compound
Patent
1993-11-03
1995-03-07
Langel, Wayne
Chemistry of inorganic compounds
Nitrogen or compound thereof
Binary compound
423409, 423412, C01B 21072, C01B 21076
Patent
active
053956060
ABSTRACT:
A metal nitride powder can be made by heating a reactant powder that includes an oxide or hydroxide of Al, Ti, or Zr to a reaction temperature in a nonreactive atmosphere. The heated reactant powder is contacted with a gaseous reactant mixture comprising a nitrogen source and a carbon source. The molar ratio of nitrogen to carbon in the gaseous reactant mixture is at least about 15. The reactant powder is maintained at the reaction temperature for a sufficient time to convert a portion of it to metal nitride powder.
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Galasso Francis S.
Suib Steven L.
Tan Benj J.
Xiao Youming
Langel Wayne
Romanik George J.
United Technologies Corporation
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