EP 3880857 A2 20210922 - IMPROVED 7XXX ALUMINUM ALLOYS
Title (en)
IMPROVED 7XXX ALUMINUM ALLOYS
Title (de)
VERBESSERTE 7XXX-ALUMINIUMLEGIERUNGEN
Title (fr)
ALLIAGES D'ALUMINIUM 7XXX AMÉLIORÉS
Publication
Application
Priority
- US 201862767441 P 20181114
- US 2019061305 W 20191113
Abstract (en)
[origin: WO2020102441A2] New 7xxx aluminum alloys are disclosed. The new 7xxx aluminum alloys generally include from 0.05 to 1.0 wt. % Ag. In one approach, a new 7xxx aluminum alloy includes from 0.05 to 1.0 wt. % Ag, from 5.5 to 9.0 wt. % Zn, from 1.2 to 2.6 wt. % Cu, from 1.3 to 2.5 wt. % Mg, up to 0.60 wt. % Mn, up to 1.0 wt. % of at least one grain structure control material, wherein the at least one grain structure control material is selected from the group consisting of Zr, Cr, V, Hf, other rare earth elements, and combinations thereof, up to 0.30 wt. % Fe, up to 0.30 wt. % Si, up to 0.15 wt. % Ti, not greater than 0.08 wt. % Sc, and not greater than 0.05 wt. % Li, the balance being aluminum, optional incidental elements and impurities.
IPC 8 full level
C22C 21/10 (2006.01); C22F 1/053 (2006.01)
CPC (source: EP US)
C22C 21/10 (2013.01 - EP US); C22F 1/053 (2013.01 - US)
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)
WO 2020102441 A2 20200522; WO 2020102441 A3 20200820; BR 112021008744 A2 20210810; CA 3118152 A1 20200522; CN 113015816 A 20210622; EP 3880857 A2 20210922; EP 3880857 A4 20220803; US 2021340656 A1 20211104
DOCDB simple family (application)
US 2019061305 W 20191113; BR 112021008744 A 20191113; CA 3118152 A 20191113; CN 201980074250 A 20191113; EP 19885961 A 20191113; US 202117308794 A 20210505