Ultra-high strength aluminum alloy products and methods of making the same

US11746400B2 · kind B2 · utility

Assignee

• Novelis Inc. · US

Inventors

• Sazol Kumar Das · Acworth, US
• Rajeev G. Kamat · Marietta, US
• Samuel R. Wagstaff · Marietta, US
• Simon William Barker · Woodstock, US
• Rajasekhar Talla · Woodstock, US
• Tudor Piroteala · Acworth, US

Key dates

• Filing date: May 8, 2020
• Grant date: Sep 5, 2023
• Expiry date: Aug 3, 2040

Classification

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

Abstract

Provided herein are ultra-high strength aluminum alloys and products prepared therefrom, along with methods of processing the ultra-high strength aluminum alloys. The aluminum alloys described herein are high solute alloys, including significant amounts of zinc (Zn), magnesium (Mg), copper (Cu), and other elements in addition to aluminum. The aluminum alloys described herein are amenable to post-aging processing without cracking.