Patent ID: 7628953

Claim:
Aluminium-based alloy comprising Li, Cu, Mg, Zr, Be, Ti, Ni, Mn, Na, characterized in that said alloy additionally contains Co, S and N, provided that the ratio of components is as follows (mass. %): Li 1.7-2.0 Cu 1.6-2.0 Mg 0.7-1.1 Zr 0.04-0.2 Be 0.02-0.2 Ti 0.01-0.1 Ni 0.01-0.15 Mn 0.01-0.4 S 0.5 · 10 −4 -1.0 · 10 −4 N 0.5 · 10 −4 -1.0 · 10 −4 Co 0.5 · 10 −6 -1.0 · 10 −6 Na 0.5 · 10 −3 -1.0 · 10 −3 Al-balance.