Heat-resistant aluminum-base composites and process of making same
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United States of America Patent
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Jun 12, 1990
Grant Date -
N/A
app pub date -
Oct 19, 1989
filing date -
Oct 21, 1988
priority date (Note) -
Expired
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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%.
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