Patent · US Active

Aluminium composite material and forming method

US9855592B2 · kind B2 · utility

1Cited by

3References

14Claims

0Family size

Assignee

Hydro Aluminum Rolled Products GmbH · DE

Inventors

Henk-Jan Brinkman · Bonn, DE
Stefan Keller · Mainaschaff, DE
Olaf Engler · Bonn, DE
Natalie Hörster
Dietmar Schröder · Grevenbroich, DE
Holger Aretz · Bad Neuenahr-Ahrweiler, DE

Key dates

Filing date	Apr 27, 2015
Grant date	Jan 2, 2018
Priority date	—
Expiry date	Apr 27, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/12764
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The invention relates to a method for forming an aluminum composite material which has a core alloy made from an aluminum alloy of type AA5xxx or AA6xxx and at least one outer aluminum alloy layer provided on one or both sides, wherein the aluminum composite material is formed and the outer aluminum alloy layer provided on one or both sides has a yield strength Rp0.2 of 25 MPa to 60 MPa in the soft or solution-annealed state. The method enables the production of large-surface, heavily formed aluminum alloy sheet metal parts, in particular also in outer skin quality.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.