Global Patent Index - EP 3741880 A1

EP 3741880 A1 20201125 - SHEET METAL PRODUCT WITH HIGH BENDABILITY AND MANUFACTURING THEREOF

Title (en)

SHEET METAL PRODUCT WITH HIGH BENDABILITY AND MANUFACTURING THEREOF

Title (de)

BLECHPRODUKT MIT HOHER BIEGSAMKEIT UND HERSTELLUNG DAVON

Title (fr)

PRODUIT EN TÔLE À FLEXIBILITÉ ÉLEVÉE ET SON PROCÉDÉ DE FABRICATION

Publication

EP 3741880 A1 20201125 (EN)

Application

EP 19175448 A 20190520

Priority

EP 19175448 A 20190520

Abstract (en)

The invention refers to a method of manufacturing a sheet metal product (10) including the steps of:a) providing a molten magnesium alloy consisting of- 0.2 wt% to 2 wt% Zn,- an amount of Ca,- 0.0 wt% to 0.3 wt% Zr,- 0.0 wt% to 1.0 wt% rare earth elements and/or Sr,- unavoidable impurities, and- the balance being Mgb) forming a strip in a twin roll casting process,c) performing a warm rolling process on the strip andd) performing a subsequent heat treatment on the strip at 250°C to 450°C for 0,5 min to 60 min.It is provided that the amount of Ca is chosen from an interval [0.1 wt%, 0.4 wt%[.The invention further refers to a sheet metal product (10), obtained or obtainable by the method of the invention.

IPC 8 full level

C22C 23/04 (2006.01); C22F 1/06 (2006.01)

CPC (source: EP)

C22C 23/04 (2013.01); C22F 1/06 (2013.01)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3741880 A1 20201125; EP 3741880 B1 20230628; CN 113840939 A 20211224; WO 2020234655 A1 20201126

DOCDB simple family (application)

EP 19175448 A 20190520; CN 202080037242 A 20200520; IB 2020020025 W 20200520