EP 4074851 A1 20221019 - IMPROVED THICK WROUGHT 7XXX ALUMINUM ALLOYS, AND METHODS FOR MAKING THE SAME
Title (en)
IMPROVED THICK WROUGHT 7XXX ALUMINUM ALLOYS, AND METHODS FOR MAKING THE SAME
Title (de)
VERBESSERTE DICKE KNETLEGIERUNGEN AUS 7XXX-ALUMINIUM UND VERFAHREN ZUR HERSTELLUNG DAVON
Title (fr)
ALLIAGES D'ALUMINIUM DE SÉRIE 7XXX CORROYÉS ÉPAIS AMÉLIORÉS ET PROCÉDÉS DE PRODUCTION CORRESPONDANTS
Publication
Application
Priority
- US 201562159768 P 20150511
- EP 16793338 A 20160509
- US 2016031525 W 20160509
Abstract (en)
Improved wrought 7xxx aluminum alloy products are disclosed. The improved wrought 7xxx aluminum alloy products generally include 6.0 - 10.0 wt. % Zn, 1.4 - 2.2 wt. % Mg, 1.3 - 2.5 wt. % Cu and 0.080 - 0.250 wt. % Cr. The improved wrought 7xxx aluminum alloy products generally have a thickness of from 3.0 inches to 12 inches, and realize an improved combination of properties, such an improved combination of crack deviation resistance, strength, fracture toughness and corrosion resistance.
IPC 8 full level
C22C 21/10 (2006.01); C22F 1/053 (2006.01)
CPC (source: EP KR RU US)
B22D 7/005 (2013.01 - EP KR US); C22C 21/10 (2013.01 - EP KR RU US); C22F 1/053 (2013.01 - EP US); C22F 1/10 (2013.01 - KR)
Citation (applicant)
- US 6972110 B2 20051206 - CHAKRABARTI DHRUBA J [US], et al
- KR 167933381 A
- "International Alloy Designations and Chemical Composition Limits for Wrought Aluminum and Wrought Aluminum Alloys", THE ALUMINUM ASSOCIATION, 2009, pages 12
Citation (search report)
- [XP] CN 103233148 B 20160120
- [X] US 2007029016 A1 20070208 - GHEORGHE IULIAN [US]
- [X] US 2013312877 A1 20131128 - CHAKRABARTI DHRUBA J [US], et al
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
DOCDB simple family (publication)
WO 2016183030 A1 20161117; CA 2982482 A1 20161117; CA 2982482 C 20230613; CN 107592887 A 20180116; CN 107592887 B 20201208; EP 3294917 A1 20180321; EP 3294917 A4 20180926; EP 3294917 B1 20220302; EP 4074851 A1 20221019; KR 102610549 B1 20231205; KR 20180004736 A 20180112; RU 2017142718 A 20190611; RU 2017142718 A3 20191017; RU 2752487 C2 20210728; US 2017088920 A1 20170330
DOCDB simple family (application)
US 2016031525 W 20160509; CA 2982482 A 20160509; CN 201680027501 A 20160509; EP 16793338 A 20160509; EP 22158417 A 20160509; KR 20177033267 A 20160509; RU 2017142718 A 20160509; US 201615376400 A 20161212