EP 0866738 B1 20011121 - METHOD FOR MAKING THIN, HIGH-STRENGTH, HIGHLY FORMABLE ALUMINIUM ALLOY STRIPS
Title (en)
METHOD FOR MAKING THIN, HIGH-STRENGTH, HIGHLY FORMABLE ALUMINIUM ALLOY STRIPS
Title (de)
VERFAHREN ZUR HERSTELLUNG VON DÜNNBÄNDERN AUS ALUMINIUMLEGIERUNGEN MIT HOHER FESTIGKEIT UND VERFORMBARKEIT
Title (fr)
PROCEDE DE FABRICATION DE BANDES MINCES EN ALLIAGE D'ALUMINIUM A HAUTE RESISTANCE ET FORMABILITE
Publication
Application
Priority
- FR 9601956 W 19961209
- FR 9514881 A 19951212
Abstract (en)
[origin: WO9721508A1] A method for making aluminium alloy strips having high mechanical strength and good formability, comprising (a) providing an alloy containing 0.5-13 wt.% of Si, 0-2 wt.% of Mg and/or 0-1 wt.% of Mn and/or 0-2 wt.% of Cu and/or 0-2 wt.% of Fe, the other elements being present in an amount of 0.5 wt.% each and 2 % in total; (b) continuously casting the alloy between two cooled rolls to produce a cast strip with a thickness of 0.1-5 mm, the force applied to the rolls being maintained, in a specific force-thickness diagram, below a straight line AB and preferably below a straight line A'B', where the co-ordinates of A, B, A' and B' are A: 1.5 mm, 750 t/m; B: 5 mm, 500 t/m; A': 1.5 mm, 700 t/m; and B': 5 mm, 300 t/m; and (c) optionally rolling the strip. Such strips may be used, e.g., for making motor vehicle bodywork components.
IPC 1-7
IPC 8 full level
B21B 3/00 (2006.01); B22D 11/06 (2006.01); C22C 21/02 (2006.01); C22F 1/00 (2006.01); C22F 1/043 (2006.01)
CPC (source: EP KR US)
B22D 11/06 (2013.01 - KR); B22D 11/0622 (2013.01 - EP US); C22C 21/02 (2013.01 - EP KR US); C22F 1/05 (2013.01 - KR)
Citation (examination)
P.M. Thomas & P.G. Grocock: "High speed thin strip casting comes of age", Conference Paper at ALUMITECH 94, Atlanta, USA, October 1994
Designated contracting state (EPC)
CH DE ES GB IT LI
DOCDB simple family (publication)
WO 9721508 A1 19970619; AU 1101297 A 19970703; DE 69617265 D1 20020103; DE 69617265 T2 20020704; EP 0866738 A1 19980930; EP 0866738 B1 20011121; ES 2163664 T3 20020201; FR 2742165 A1 19970613; FR 2742165 B1 19980130; JP 2000501995 A 20000222; KR 100434808 B1 20040908; KR 19990072038 A 19990927; US 6193818 B1 20010227
DOCDB simple family (application)
FR 9601956 W 19961209; AU 1101297 A 19961209; DE 69617265 T 19961209; EP 96941719 A 19961209; ES 96941719 T 19961209; FR 9514881 A 19951212; JP 52178997 A 19961209; KR 19980704332 A 19980610; US 7784198 A 19980611