Effect of Cu content on intergranular corrosion and exfoliation corrosion susceptibility of Al−Zn−Mg−(Cu) alloys

• Published in: Transactions of Nonferrous Metals Society of China Vol. 33; no. 7; pp. 1963 - 1976
• Main Authors: ZHANG, Meng-han, LIU, Sheng-dan, JIANG, Jing-yu, WEI, Wei-chang
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.07.2023
• Subjects: Al−Zn−Mg−Cu alloy; copper; exfoliation corrosion; intergranular corrosion; scanning Kelvin probe force microscope; scanning Kelvin probe force microscope; Al−Zn−Mg−Cu alloy; copper; intergranular corrosion; exfoliation corrosion

The effect of Cu content on intergranular corrosion (IGC) and exfoliation corrosion (EXCO) susceptibility of Al−Zn−Mg−(Cu) alloys was investigated by electrochemical test, immersion test, electron backscattered diffraction, optical microscope, scanning electron microscope, scanning transmission elec...