Silicon nitride ceramics containing a metal silicide phase

Details Silicon nitride ceramics containing a metal silicide phase Silicon nitride ceramics containing a metal silicide phase

C - Chemistry, Metallurgy

04

B

261/1

C04B 35/58 (2006.01) C04B 35/584 (2006.01) C04B 35/593 (2006.01) C04B 35/64 (2006.01)

Patent

CA 2013907

0919p (FF) Matsumoto and Rosenthal Case 1 ABSTRACT OF THE DISCLOSURE A sintered silicon nitride ceramic product suitable for making cutting tools comprises (a) 20-98% by weight silicon nitride, (b) 1-80% by weight of a silicide of iron, cobalt or nickel and (c) 0.02-20% by weight of at least one oxide, nitride, or silicate of an element of IUPAC groups 2, 3, 4, 13 or the lanthanide series. A method for making such a product is also disclosed.

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