Patent · US Active

Aluminum composite material and forming method

US10279385B2 · kind B2 · utility

0Cited by

3References

11Claims

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	Nov 22, 2017
Grant date	May 7, 2019
Priority date	—
Expiry date	Nov 22, 2037

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 aluminium composite material which has a core alloy made from an aluminium alloy of type AA5xxx or AA6xxx and at least one outer aluminium alloy layer provided on one or both sides, wherein the aluminium composite material is formed and the outer aluminium 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 aluminium alloy sheet metal parts, in particular also in outer skin quality.

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