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AssigneeExxon Research & Engineering Co.
InventorsRichard S. Polizzotti, Larry E. McCandlish, Edwin L. Kugler
Estimating the term…
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 combination 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 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.
A method for producing a compacted multiphase composite article, said method comprising providing a particle charge of a precursor compound containing at least two metals and a coordinating ligand, heating said compound to remove said coordinating ligand therefrom and increase the surface area thereof, thereafter reacting at least one of said metals to form a metal-containing compound and consolidating said particle charge to produce said compacted, multiphase composite article.
Dependencies are inferred from the claim text.