Compositions: ceramic – Ceramic compositions – Refractory
Patent
1990-10-04
1992-03-10
Dixon, Jr., William R.
Compositions: ceramic
Ceramic compositions
Refractory
501 96, 501 98, C04B 3558
Patent
active
050949861
ABSTRACT:
Disclosed is a wear resistant sintered ceramic product comprising (a) 40-98 weight percent silicon nitride having a high alpha-phase content, (b) 2-60 weight percent of a silicide of iron, cobalt or nickel and (c) up to 20 weight percent 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.
REFERENCES:
patent: 3409417 (1968-11-01), Vatis
patent: 4093687 (1978-06-01), Greskovich et al.
patent: 4124402 (1978-11-01), Greskovich et al.
patent: 4332909 (1982-06-01), Nishida et al.
patent: 4407971 (1983-10-01), Kamatsu et al.
Matsumoto Roger L. K.
Rosenthal Allan B.
Dixon Jr. William R.
Gallo Chris
Hercules Incorporated
Patterson Joanne W.
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