Patent ID: 8728256

Claim:
A multi-element strengthened and modified heat-resistant aluminum alloy material with high strength, consisting of the following components by weight: Cu: 1.0-10.0%, Mn: 0.05-1.5%, Cd: 0.01-0.5%, Ti: 0.01-0.5%, Zr: 0.01-1.0%, characteristic metallic element R: 0.001-3%, rare earth element Re: 0.05-5%, one of B: 0.01-0.2%, C: 0.0001-0.15% or a combination thereof, and Al: the rest, the characteristic metallic element is one selected from the group consisting of Be, Co, Cr, Li, Mo, Nb, Ni, and W, or the characteristic metallic element is a combination of any two elements selected from the group consisting of Be, Co, Cr, Li, Mo, Nb, Ni, and W.