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1. (WO2018136220) METHODS OF PREPARING 7XXX ALUMINUM ALLOYS FOR ADHESIVE BONDING, AND PRODUCTS RELATING TO THE SAME

Pub. No.:    WO/2018/136220    International Application No.:    PCT/US2017/068949
Publication Date: Fri Jul 27 01:59:59 CEST 2018 International Filing Date: Sat Dec 30 00:59:59 CET 2017
IPC: C23C 22/66
C23C 22/83
C23C 22/78
C22C 21/06
C22C 21/16
C22C 21/18
C22C 21/10
Applicants: ARCONIC INC.
Inventors: UNAL, Ali
EPP, June M.
MARINELLI, James M.
MENANNO, Marissa
Title: METHODS OF PREPARING 7XXX ALUMINUM ALLOYS FOR ADHESIVE BONDING, AND PRODUCTS RELATING TO THE SAME
Abstract:
Methods of preparing 7xxx aluminum alloy products for adhesive bonding are disclosed. Generally, the methods include chemical and/or mechanically preparing a 7xxx aluminum alloy product to reduce the amount of magnesium oxides while maintaining any copper-containing intermetallic particles located proximal the surface of the 7xxx aluminum alloy product. After preparation, a functionalized layer may be produced thereon for adhesive bonding.