Method for producing a silicon nitride base sintered body

Details Method for producing a silicon nitride base sintered body Method for producing a silicon nitride base sintered body

C - Chemistry, Metallurgy

04

B

261/1

C04B 35/50 (2006.01) C04B 35/16 (2006.01) C04B 35/584 (2006.01)

Patent

CA 1094110

ABSTRACT A silicon nitride base sintered body having high strength and high density is formed by a normal sintering, namely by sintering without pressure. The sintered body is produced of silicon nitride and the metal oxides yttrium oxide and cerium oxide. A silicon nitride base sintered body having yet a higher strength and higher density can be produced by heating yttrium oxide and cerium oxide together for forming Y2O3 2CeO2 before sintering.

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