CLAD 2XXX-series aerospace product

US12305263B2 · kind B2 · utility

Assignee

• NOVELIS KOBLENZ GMBH · DE

Inventors

• Bernd Jacoby · Limburg, DE
• Achim Bürger · Grevesmühlen, DE
• Sabine Maria Spangel · Koblenz, DE
• Philippe Meyer · Koblenz, DE

Key dates

• Filing date: Aug 13, 2020
• Grant date: May 20, 2025
• Expiry date: Feb 21, 2042

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C22F1/053
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to a rolled composite aerospace product comprising a 2XXX-series core layer and an Al—Mg alloy clad layer coupled to at least one surface of the 2XXX-series core layer, wherein the Al—Mg alloy is a 5XXX-series aluminium alloy comprising 0.4% to 4.8% Mg, and preferably 0.7% to 4.5% Mg.