Weldable anti-corrosive aluminium-magnesium alloy containing a high amount of magnesium, especially for use in aviation

US6531004B1 · kind B1 · utility

Assignee

• EADS Deutschland GmbH · DE

Inventors

• Blanka Lenczowski · Schweinhub, DE
• Viktor Yelagin · Kashkhatau, RU
• Rainer Rauh · Jetzendorf, DE
• Valeri Zakharov · Kashkhatau, RU
• Yuri Filatov · Kashkhatau, RU

Key dates

• Filing date: Oct 18, 2000
• Grant date: Mar 11, 2003
• Expiry date: Oct 18, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C22C21/06
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Weldable, high-magnesium-content aluminum-magnesium alloy consisting of at least 5-6% w/w magnesium (Mg), 0.05-0.15% w/w zirconium (Zr), 0.05-0.12% w/w manganese (Mn), 0.01-0.2% w/w titanium (Ti), 0.05-0.5% w/w of one or more elements from the scandium group and/or terbium (Tb), wherein at least scandium (Sc) is included, 0.1-0.2% w/w copper (Cu) and/or 0.1-0.4% w/w zinc (Zn), along with aluminum (Al), and unavoidable contamination does not exceed 0.1% w/w silicon (Si).