C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
261/1, 75/1.2
C22C 1/05 (2006.01) C04B 35/00 (2006.01) C04B 35/74 (2006.01) C22C 1/10 (2006.01)
Patent
CA 2020093
ABSTRACT OF THE DISCLOSURE A compacted, single phase or multiphase composite article. Particles for use in the compacted article are produced by providing a precursor compound containing at least one or at least two metals and a coordinating ligand. The compound is heated to remove the coordinating ligand therefrom and increase the surface area thereof. It may then be reacted so that at least one metal forms a metal-containing compound. The particles may be consolidated to form a compacted article, and for this purpose may be used in combina- tion with graphite or diamonds. The metal-containing compound may be a nonmetallic compound including carbides, nitrides and carbonitrides of a refractory metal, such as tungsten. The metal-containing compound may be dispersed in a metal matrix, such as iron, nickel or cobalt. The dispersed the nonmetallic compound particles are no larger than about 0.1 micron in particle size and have a volume fraction greater than about 0.15 within the metal matrix.
Kugler Edwin L.
Mccandlish Larry E.
Polizzotti Richard S.
Borden Ladner Gervais Llp
Kugler Edwin L.
Mccandlish Larry E.
Polizzotti Richard S.
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