Method of forming an Al—Mg alloy plate product

US10335841B2 · kind B2 · utility

Assignee

• Aleris Rolled Products Germany GmbH · DE

Inventors

• Philippe Meyer · Koblenz, DE
• Achim Bürger · Grevesmühlen, DE

Key dates

• Filing date: Jan 21, 2014
• Grant date: Jul 2, 2019
• Expiry date: Apr 3, 2036

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F41H5/0414
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to a method of forming an AlMg alloy armor plate product, and comprising the steps of: (i) providing a plate product having a gauge of at least 10 mm and a chemical composition, in wt. %: Mg 2.5% to 6%, Mn 0 to 1.2%, Sc 0 to 1%, Ag 0 to 0.5%, Zn 0 to 2%, Cu 0 to 2%, Li 0 to 3%, optionally at least one or more elements selected from the group consisting of (Zr 0.03% to 0.4%, Cr 0.03% to 0.4%, and Ti 0.005% to 0.3%), Fe 0 to 0.4%, Si 0 to 0.25%, inevitable impurities and balance aluminum, and (ii) shaping said alloy plate at a temperature in a range of 200° C. to 400° C. to obtain a predetermined two- or three-dimensional formed structure.