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Patent Searching and Data


Title:
PRODUCTION OF SILICON NITRIDE WHISKER
Document Type and Number:
Japanese Patent JPS6227400
Kind Code:
A
Abstract:
PURPOSE:To produce titled whiskers contg. alpha-Si3N4 at a high concn. at a high yield by heating a mixture composed of specific ratios of SiO powder and carbon-contg. material in a nitriding atmosphere. CONSTITUTION:The mixture or molding prepd. by mixing the SiO powder having <=1mum grain size and the carbon-contg. material (e.g.; petroleum coke) in such a manner as to attain <=0.6 molar ratio of C/SiO is heated to 1,300-1,800 deg.C in the nitriding atmosphere adjusted to >=1atm partial pressure of N2.

Inventors:
UENOSONO SATOSHI
FUNABASHI TOSHIHIKO
UCHIMURA RYOJI
OGUCHI MASAO
Application Number:
JP16567585A
Publication Date:
February 05, 1987
Filing Date:
July 29, 1985
Export Citation:
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Assignee:
KAWASAKI STEEL CO
International Classes:
C30B29/62; (IPC1-7): C30B29/62
Attorney, Agent or Firm:
Akihide Sugimura