C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/58 (2006.01) B28B 3/00 (2006.01) B28B 7/06 (2006.01) B28B 7/18 (2006.01) C04B 35/591 (2006.01) C04B 35/593 (2006.01) C04B 35/65 (2006.01)
Patent
CA 2116644
A silicon nitride reaction-sintered body having a high mechanical strength without surface working can be produced by (1) forming a silicon powder mixture of at least two types of silicon powders having substantially independent particle size distribution ranges into a green body, the silicon powder mixture having an average particle size ranging from 5 µm to 300 µm; (2) heating the green body in a nitrogen-containing atmosphere for nitrogenation; and (3) sintering the nitrogenated green body at a temperature of 1900°C or higher.
Hamazaki Kagehisa
Kawakami Yasunobu
Miyake Kazumi
Ota Naoki
Toyoda Hitoshi
Honda Giken Kogyo Kabushiki Kaisha (also Trading As Honda Motor Ltd .)
Smart & Biggar
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