(19)
(11) EP 3 294 917 A1

(12)

(43) Date of publication:
21.03.2018 Bulletin 2018/12

(21) Application number: 16793338.1

(22) Date of filing: 09.05.2016
(51) International Patent Classification (IPC): 
C22C 21/10(2006.01)
C22F 1/053(2006.01)
(86) International application number:
PCT/US2016/031525
(87) International publication number:
WO 2016/183030 (17.11.2016 Gazette 2016/46)
(84) Designated Contracting States:
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 States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 11.05.2015 US 201562159768 P

(71) Applicant: Arconic Inc.
Pittsburgh, PA 15212-5858 (US)

(72) Inventors:
  • BOSELLI, Julien
    Pittsburgh, Pennsylvania 15217 (US)
  • LIN, Jen C.
    Export, Pennsylvania 15632 (US)
  • JAMES, Mark A.
    Pittsburgh, Pennsylvania 15235 (US)
  • BRAY, Gary H.
    Murrysville, Pennsylvania 15668 (US)
  • BROCKENBROUGH, John R.
    Murrysville, Pennsylvania 15668 (US)

(74) Representative: Barton, Matthew Thomas 
Forresters IP LLP Skygarden Erika-Mann-Strasse 11
80636 München
80636 München (DE)

   


(54) IMPROVED THICK WROUGHT 7XXX ALUMINUM ALLOYS, AND METHODS FOR MAKING THE SAME