Oxide dispersion hardened aluminum composition

Details Oxide dispersion hardened aluminum composition Oxide dispersion hardened aluminum composition

1987-12-07

1989-03-14

Rutledge, L. Dewayne

Alloys or metallic compositions

Aluminum base

420533, 419 19, 419 20, 75 05A, 75 05B, C22C 2100, B22F 900

Patent

active

048122890

ABSTRACT:
Refractory metal oxide particles are dispersed in an aluminum melt which is then cast to form a dispersion hardened aluminum alloy composition. A master mix of carrier metal particles surrounding individual oxide particles is pressed into a billet. The billet is dissolved in the melt in the presence of a wetting metal.

REFERENCES:
patent: 2793949 (1957-05-01), Imich
patent: 3600163 (1971-08-01), Badia et al.
patent: 3816080 (1974-06-01), Bomford et al.

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