METAL MATRIX COMPOSITES

Brand	Owner (click to sort)	Address	Description
AYONTEX	MATERION CORPORATION	6070 Parkland Boulevard Mayfield Heights OH 44124	metal matrix composites in the form of bars, sheets, panels, plates, powder, and machined blanks composed of a metal matrix combined with a reinforcing material for use in further manufacture;
COMRAL	COMALCO Aluminium Limited	Research & Technology, 38th Floor 55 Collins Street Melbourne, Victoria 3000 Australia	metal matrix composites, ceramic reinforced aluminium and aluminium alloys, bauxite reinforced aluminium and aluminium alloys;
SUPREMEX	MATERION BRUSH INC.	6070 Parkland Boulevard Mayfield Heights OH 44124	Metal matrix composites in the form of bars, sheets, panels, plates, and machined blanks composed of a metal matrix combined with a reinforcing material for use in further manufacture;
XD	MARTIN MARIETTA CORPORATION	Baltimore MD	METAL MATRIX COMPOSITES; NAMELY, ALLOY CONCENTRATE POWDERS FOR INDUSTRIAL USE;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A low CTE metal-ceramic composite material featuring carbon fibers reinforcing a matrix featuring silicon metal or silicon alloy. The fibers have a low coefficient of thermal expansion (CTE) in the axial direction, and preferably negative. The principles of making Si/SiC composites can be adapted to produce the instant Si matrix composites. The CTE of the composite body depends not only upon the relative CTE's of the fibers and matrix, and their relative amounts (e.g., loadings), but also upon the relative elastic moduli of the fibers and matrix. Thus, Si/SiC matrices produced by a reaction-bonding process inherently possess low CTE, but the instant inventors prefer to make such composites having relatively large fractions of unreacted silicon, thereby driving composite CTE lower still. Here, the carbon fibers are protected from reaction with the silicon infiltrant with one or more materials disposed between the fibers and the infiltrant. Providing at least a degree of toughness or impact resistance can also be realized in these composites. Laminates produce Isotropic or quasi-isotropic properties in the composite body can be realized by, for example, providing the fibers in the form of cross-plied laminates featuring the fibers in parallel or woven arrays.