EP 1359232 B1 20061129 - Method of improving fracture toughness in aluminium-lithium alloys
Title (en)
Method of improving fracture toughness in aluminium-lithium alloys
Title (de)
Verfahren zur Erhöhung der Bruchzähigkeit in Aluminium-Lithium-Legierungen
Title (fr)
Procédé servant a améliorer la ténacité d'alliages d'aluminium et de lithium
Publication
Application
Priority
- EP 98903777 A 19980130
- US 3632997 P 19970131
Abstract (en)
[origin: EP1359232A2] An aluminum-lithium alloy is processed with controlled amounts of copper, lithium, manganese and zirconium to produce a product having improved fracture toughness in the short longitudinal (S-L) direction and acceptable strength in the short transverse (ST) direction.
IPC 8 full level
C22C 21/00 (2006.01); C22C 21/12 (2006.01); C22F 1/057 (2006.01)
CPC (source: EP)
C22C 21/12 (2013.01); C22F 1/057 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9833947 A1 19980806; AT E250675 T1 20031015; AT E346963 T1 20061215; DE 69818448 D1 20031030; DE 69818448 T2 20040729; DE 69836569 D1 20070111; DE 69836569 T2 20080103; DE 69836569 T3 20140731; EP 0981653 A1 20000301; EP 0981653 A4 20000517; EP 0981653 B1 20030924; EP 1359232 A2 20031105; EP 1359232 A3 20040102; EP 1359232 B1 20061129; EP 1359232 B2 20140312; EP 1359232 B9 20140910; ES 2278093 T3 20070801; ES 2278093 T5 20140716
DOCDB simple family (application)
US 9801584 W 19980130; AT 03015053 T 19980130; AT 98903777 T 19980130; DE 69818448 T 19980130; DE 69836569 T 19980130; EP 03015053 A 19980130; EP 98903777 A 19980130; ES 03015053 T 19980130