EP 4036274 A1 20220803 - ALUMINUM ALLOY MATERIAL AND METHOD FOR MANUFACTURING SAME
Title (en)
ALUMINUM ALLOY MATERIAL AND METHOD FOR MANUFACTURING SAME
Title (de)
ALUMINIUMLEGIERUNGSPLATTE UND HERSTELLUNGSVERFAHREN DAFÜR
Title (fr)
MATÉRIAU D'ALLIAGE D'ALUMINIUM ET SON PROCÉDÉ DE FABRICATION
Publication
Application
Priority
- JP 2019177015 A 20190927
- JP 2020075335 A 20200421
- JP 2020035953 W 20200924
Abstract (en)
An aluminum alloy material having a base material formed from an aluminum alloy, and a chemical treatment film on the surface of the base material, wherein, in a cathode polarization curve obtained by measuring the aluminum alloy material at a sweeping speed of 20 mV/min by using a saturated KCl silver-silver chloride electrode as a reference electrode in a 5 wt% NaCl static aqueous solution at a temperature of 25°C and a pH of 5.5, the electrode potential at which the absolute value of the current density reaches 10 µA/cm<sup>2</sup> is -1350 to -1150 mV.
IPC 8 full level
C23C 22/34 (2006.01)
CPC (source: EP US)
C22C 21/06 (2013.01 - US); C23C 22/34 (2013.01 - EP US); C23C 22/78 (2013.01 - US); C23G 1/125 (2013.01 - EP)
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)
EP 4036274 A1 20220803; EP 4036274 A4 20231122; CN 114746579 A 20220712; CN 114746579 B 20241025; JP 2021055178 A 20210408; JP 6846558 B1 20210324; US 2022290304 A1 20220915; WO 2021060346 A1 20210401
DOCDB simple family (application)
EP 20868265 A 20200924; CN 202080082571 A 20200924; JP 2020035953 W 20200924; JP 2020075335 A 20200421; US 202017754173 A 20200924