C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/58 (2006.01) C04B 35/584 (2006.01) C04B 35/593 (2006.01) C04B 35/597 (2006.01) F01L 1/20 (2006.01) F02F 7/00 (2006.01) F02B 3/06 (2006.01)
Patent
CA 2059775
Described are sintered silicon nitride bodies useful.as materials for parts required to have strength, especially excellent impact strength for items such as automobile parts and machine parts. The sintered Si3N4 bodies contain 80-98 wt.% of silicon nitride and have a porosity not higher than 3% and an shock compressive elasticity limit [Hugoniot-elastic limit (HEL)] of at least 15 GPa.
Matsunuma Kenji
Miyake Masaya
Nishioka Takao
Yamakawa Akira
Yamamoto Takehisa
Goudreau Gage Dubuc
Sumitomo Electric Industries Ltd.
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