Metal-second phase composites by direct addition

Details Metal-second phase composites by direct addition Metal-second phase composites by direct addition

1986-11-05

1990-04-10

Rutledge, L. Dewayne

Alloys or metallic compositions

Processes

420129, C22C 100

Patent

active

049159089

ABSTRACT:
A method is taught for the in-situ precipitation of second phase materials, such as ceramic or intermetallic particles, in a metallic matrix. By means of the Direct Addition Process, metal-second phase composites having highly superior properties may be obtained. Compacts of second phase-forming constituents and solvent metal are directly added to a molten metal bath to precipitate the second phase in-situ. Exemplary materials include titanium diboride or titanium carbide in an aluminum matrix.

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