Aluminum based metal matrix composites

Details Aluminum based metal matrix composites Aluminum based metal matrix composites

1988-09-12

1990-08-07

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75236, 75244, 75249, 419 10, 419 12, 419 13, 419 14, 419 19, 419 24, 419 32, 419 33, C22C 2912

Patent

active

049465007

ABSTRACT:
An aluminum based metal matrix composite is produced from a charge containing a rapidly solidified aluminum alloy and particles of a reinforcing material present in an amount ranging from about 0.1 to 50 percent by volume of the charge. The charge is ball milled energetically to enfold metal matrix material around each of the particles while maintaining the charge in a pulverulant state. Upon completion of the ball milling step, the charge is consolidated to provide a powder compact having a formable, substantially void free mass. The compact is especially suited for use in aerospace, automotive, electronic, wear resistance critical components and the like.

REFERENCES:
patent: 3591362 (1971-07-01), Benjamin
patent: 4594222 (1986-06-01), Heck et al.
patent: 4624705 (1986-11-01), Jatkar et al.
patent: 4722751 (1988-02-01), Akechi et al.
patent: 4729790 (1988-03-01), Skinner
patent: 4755221 (1988-07-01), Paliwal et al.

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