EP 1715067 A4 20071031 - METHOD FOR PRODUCING Al-Mg-Si BASED ALUMINUM ALLOY PLATE EXCELLENT IN BAKE-HARDENABILITY
Title (en)
METHOD FOR PRODUCING Al-Mg-Si BASED ALUMINUM ALLOY PLATE EXCELLENT IN BAKE-HARDENABILITY
Title (de)
VERFAHREN ZUR HERSTELLUNG EINER AUF AL-MG-SI BASIERENDEN ALUMINIUMLEGIERUNGSPLATTE MIT HERVORRAGENDER BAKE-HARDENABILITY
Title (fr)
PROCEDE DE PRODUCTION DE PLAQUES D'ALLIAGE D'AL-MG-SI PRESENTANT UNE EXCELLENTE CAPACITE DE DURCISSEMENT THERMIQUE
Publication
Application
Priority
- JP 2004019210 W 20041222
- JP 2003432073 A 20031226
Abstract (en)
[origin: EP1715067A1] Summary [Objectives] Strengthening, cost reduction, and improvement of press formability and bake hardenability of aluminum alloy sheets. [Means for achieving objectives] A manufacturing method for Al-Mg-Si aluminum alloy sheet with excellent bake hardenability, characterized by twin belt casting a molten Al-Mg-Si aluminum alloy containing Mg: 0.3 - 1.0 wt%, Si: 0.3 - 1.5 wt%, Cu: 1.0 wt% or below (including 0%), and Fe: 1.2 wt% or below (including 0%), and containing Mn: 0.1 - 0.7 wt% and/or Cr: 0.1 - 0.3% according to need, and the remnant being Al at an average cooling rate of 20 degrees C or above, and at that time, making the temperature of the ingot as it comes out of the casting machine 250 degrees C or below, and then rolling to the final sheet thickness by cold rolling only and without homogenization or hot rolling, and solution treatment being done in a continuous annealing furnace.
IPC 8 full level
C22C 1/05 (2006.01); B22D 11/00 (2006.01); B22D 11/06 (2006.01); B22D 11/12 (2006.01); B22D 11/22 (2006.01); C22C 21/02 (2006.01); C22C 21/06 (2006.01); C22C 21/08 (2006.01); C22F 1/05 (2006.01); B21B 3/00 (2006.01)
CPC (source: EP KR US)
B22D 11/003 (2013.01 - EP US); B22D 11/0605 (2013.01 - EP US); B22D 11/22 (2013.01 - EP US); C22C 1/05 (2013.01 - KR); C22C 21/08 (2013.01 - EP KR US); C22F 1/05 (2013.01 - EP US); B21B 2003/001 (2013.01 - EP US)
Citation (search report)
- [E] EP 1614760 A1 20060111 - NIPPON LIGHT METAL CO [JP]
- [X] JP S62207851 A 19870912 - SKY ALUMINIUM
- See references of WO 2005064025A1
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 1715067 A1 20061025; EP 1715067 A4 20071031; CA 2551599 A1 20050714; CN 1922336 A 20070228; JP WO2005064025 A1 20080417; KR 20060135711 A 20061229; TW 200530406 A 20050916; US 2007144630 A1 20070628; WO 2005064025 A1 20050714
DOCDB simple family (application)
EP 04807567 A 20041222; CA 2551599 A 20041222; CN 200480042140 A 20041222; JP 2004019210 W 20041222; JP 2005516601 A 20041222; KR 20067014313 A 20060714; TW 93138422 A 20041210; US 58420004 A 20041222