Aluminum composite material of low-thermal expansion and high-th

Details Aluminum composite material of low-thermal expansion and high-th Aluminum composite material of low-thermal expansion and high-th

1997-03-20

2000-06-20

Ryan, Patrick

Specialized metallurgical processes, compositions for use therei

Processes

Producing solid particulate free metal directly from liquid...

75228, 75229, 75230, 75233, 75236, C22C 2100

Patent

active

060773278

ABSTRACT:
There is disclosed a method of producing an aluminum composite material in which the content of silicon carbide can be made higher as compared with conventional methods, and the production cost is low, and the method can be carried out easily. An aluminum composite material of low-thermal expansion and high-thermal conductivity is produced by this method. A mixture of powder of aluminum metal or an alloy thereof and silicon carbide powder is pressurized and compacted to form a green compact. Subsequently, this green compact is charged into a mold, and is heated and compacted into a predetermined shape at a temperature not less than a melting point of the aluminum metal or the alloy thereof.

REFERENCES:
patent: 4017480 (1977-04-01), Baum
patent: 4472351 (1984-09-01), Gonczy
patent: 4921655 (1990-05-01), Sterzel
patent: 4954170 (1990-09-01), Fey et al.
patent: 5384087 (1995-01-01), Scorey

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