High strength, heat resistant aluminum-based alloys

Details High strength, heat resistant aluminum-based alloys High strength, heat resistant aluminum-based alloys

C - Chemistry, Metallurgy

22

C

75/1.1

C22C 21/00 (2006.01) C22C 45/00 (2006.01) C22C 45/08 (2006.01)

Patent

CA 1337507

The present invention provides high strength, heat resistant aluminum-based alloys having a composition represented by the general formula, AlaMbXc wherein: M is at least one metal element selected from the group consisting of V, Cr, Mn, Fe, Co, Ni, Cu, Zr, Ti, Mo, W, Ca, Li, Mg and Si; X is at least one metal element selected from the group consisting of Y, La, Ce, Sm, Nd, Hf, Nb, Ta and Mm (misch metal); and a, b and c are atomic percentages falling within the following ranges: 50 ? a ? 95, 0.5 ? b ? 35 and 0.5 ? c ? 25, the aluminum-based alloy being in an amorphous state, microcrystalline state or a composite state thereof. The aluminum-based alloys possess an advantageous combination of properties of high strength, heat resistance, superior ductility and good processability which make then suitable for various applications.

597963

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