Multiphase composite particle

Details Multiphase composite particle Multiphase composite particle

1987-05-22

1989-07-25

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75230, 75236, 75243, 75244, 419 10, 419 11, 419 13, 419 18, 419 23, G22C 2908

Patent

active

048510416

ABSTRACT:
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. Th metal-containing compound may be dispersed in a metal matrix, such as iron, nickel or cobalt.

REFERENCES:
patent: 4419130 (1983-12-01), Slaughter
patent: 4579587 (1986-04-01), Grant et al.
patent: 4749545 (1988-06-01), Begg et al.

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