Heat-resistant aluminum-base composites and process of making sa

Details Heat-resistant aluminum-base composites and process of making sa Heat-resistant aluminum-base composites and process of making sa

1989-10-19

1990-06-12

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75236, C22C 2912

Patent

active

049330071

ABSTRACT:
A heat-resistant aluminum-base composite which includes an aluminum matrix of not smaller than 99.0% purity, Si particles whose average diameter falls in the range of 0.1 to 100 .mu.m, and Al.sub.2 O.sub.3 and Al.sub.4 C.sub.3 particles, the particles being dispersed in the aluminum matrix at volume percents Vf(Si) and V.sub.f (Al.sub.2 O.sub.3 +Al.sub.4 C.sub.3) wherein Vf(Si).gtoreq.9%, Vf(Al.sub.2 O.sub.3 +Al.sub.4 C.sub.3).ltoreq.20% and Vf (Al.sub.2 O.sub.3 +Al.sub.4 C.sub.3)+Vf(Si).ltoreq.40%.

REFERENCES:
patent: 4623388 (1986-11-01), Jatkar et al.
patent: 4624705 (1986-11-01), Jatkar et al.
patent: 4735656 (1988-04-01), Schaefer et al.
patent: 4832734 (1989-05-01), Benn et al.

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