Intermediate temperature aluminum-base alloy

Details Intermediate temperature aluminum-base alloy Intermediate temperature aluminum-base alloy

C - Chemistry, Metallurgy

22

C

C22C 21/04 (2006.01) C22C 1/04 (2006.01) C22C 1/10 (2006.01) C22C 32/00 (2006.01)

Patent

CA 2061931

PC-2262 INTERMEDIATE TEMPERATURE ALUMINUM-BASE ALLOY ABSTRACT The invention comprises an alloy having improved intermediate temperature properties at temperatures up to about 316°C. The alloy contains (by weight percent) about 1-6% X contained as an intermetallic phase in the form of Al3X. X is at least one selected from the group consisting of Nb, Ti and Zr. The alloy also contains 0.1-4% strengthener selected from the group consisting of Si and Mg. In addition, the alloy contains about 1-4% C and 0.1-2% O present as aluminum carbides and oxides for grain stabilization.

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