Metal-matrix composites

Details Metal-matrix composites Metal-matrix composites

1996-01-16

2000-04-18

Wortman, Donna

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75230, 75235, 419 13, 419 19, 419 23, 419 38, B22F 316, C22C 105

Patent

active

060510455

ABSTRACT:
This invention is directed to metal-matrix composites which include a substantially continuous phase of metal and reinforcing ceramic particulate substantially uniformly dispersed therein and comprising at least two of barium titanium, titanium dioxide, and titanium nitride. The composite may include other reinforcing ceramic particulate materials like metal carbides such as titanium carbide and other titanates like calcium titanate. The reinforcing particulate can comprise up to about 70 volume percent of the composite and have an average particle diameter of between about 0.1 micron and 100 microns. In forming the composite, the metal powder employed has an average particle diameter between about 1 and 20 microns. The composite is useful to manufacture, e.g., automotive parts such as brake rotors and structural components.

REFERENCES:
patent: 4731132 (1988-03-01), Alexander
patent: 4818633 (1989-04-01), Dinwoodie et al.
patent: 5006417 (1991-04-01), Jackson et al.
patent: 5145513 (1992-09-01), Matteazzi et al.
patent: 5256368 (1993-10-01), Oden et al.
patent: 5482778 (1996-01-01), Aghajanian et al.
patent: 5543367 (1996-08-01), Narula et al.
patent: 5677029 (1997-10-01), Prevorsek et al.

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