C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/56 (2006.01) C04B 35/58 (2006.01) C04B 35/65 (2006.01) C22C 29/00 (2006.01)
Patent
CA 2156828
A powdered admixture of a boron, carbon, nitrogen or silicon derivative of a first metal is combined with at least one other reactant that is selected from (a) a boron, carbon, nitrogen or silicon derivative of a second metal wherein the derivative differs from that of the first metal, (b) a source of a second metal and a source of a third metal, or (c) a source of the second metal and a densification promoting amount of an iron group metal, subjected to densification (heat and pressure), partially reacted and converted to a hard, wear resistant material. The wear resistant material contains an amount of the first metal derivative as well as at least one material of varying stoichiometry that is the partial reaction product. The material may also contains residual unreacted portions of components other than the first metal derivative. Articles formed from this material can be useful in wear resistant applications.
Board Julie L.
Dubensky Ellen M.
Mccombs Ann Marie
Timm Edward E.
Smart & Biggar
The Dow Chemical Company
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