Compositions: ceramic – Ceramic compositions – Carbide or oxycarbide containing
Patent
1995-04-05
1996-06-18
Group, Karl
Compositions: ceramic
Ceramic compositions
Carbide or oxycarbide containing
501 91, 501 92, 501127, C04B 35117, C04B 35577
Patent
active
055277462
ABSTRACT:
An aluminum oxide based sintered body and a method for manufacturing the same are disclosed. The aluminum oxide based sintered body is composed of silicon compounds of from about 5 to about 40 mole %, calculated as a carbide, at least one metal or metal compound of from 0.5 to about 25 mole %, calculated as metals, selected from Ti, Nb, Ta, Cr and Mo, and the remainder of Al.sub.2 O.sub.3, and a molar ratio of the metals with respect to the silicon compounds, calculated as a carbide is about 4 or less.
Iio Satoshi
Otsuka Jun
Tajima Yo
Group Karl
NGK Spark Plug Co. Ltd.
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