Patent ID: 11879167
Assignee: NOVELIS KOBLENZ GMBH
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 0:
1. A rolled composite aerospace product comprising a 2XXX-series core layer and a 6XXX-series aluminium alloy clad layer coupled to at least one surface of the 2XXX-series core layer, wherein the 6XXX-series aluminium alloy comprises, in wt. %, Si 0.3% to 1.0%, Mg 0.3% to 1.1%, Mn 0.04% to 1.0%, Fe 0.03% to 0.4%, Cu up to 0.10%, Cr up to 0.25%, V up to 0.2%, Zr up to 0.2%, Zn up to 0.5%, Ti up to 0.1%, unavoidable impurities each <0.05%, total <0.15%, balance aluminium,
wherein the 2XXX-series core layer is in a T3, T351, T39, T8 or T851 temper; and
wherein the 6XXX-series aluminium alloy clad layer is in a T4 or T6 temper.