Nitrogenous aluminum-silicon powder metallurgical alloy

Details Nitrogenous aluminum-silicon powder metallurgical alloy Nitrogenous aluminum-silicon powder metallurgical alloy

1994-11-04

1997-02-25

Jordan, Charles T.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75244, 75249, 428548, 428552, C22C 2916

Patent

active

056055587

ABSTRACT:
A nitrogenous Al--Si powder metallurgical alloy contains at least 4 wt % and at most 15 wt % of nitrogen, with the remaining part consisting essentially of Al, Si and an unavoidable component. Consequently, a highly safe material which is lightweight and has a density of at most 3.0 g/cm.sup.3, a thermal expansion coefficient in the range of 5 to 10.times.10.sup.-6 /.degree.C., and a thermal conductivity coefficient of at least 0.2 cal/cm.multidot.sec.multidot..degree.C. has been obtained.

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