Electrochemical Investigation of Corrosion Behavior Heat Treated Al-6Si-0.5Mg-xCu (x = 0, 0.5, 1, 2, and 4 wt%) Alloys

Figure 7

SEM secondary electron image of the damage surface morphology of as-corroded T6 peak aged Al-6Si-0.5Mg-Cu alloy (Alloy-3) in 0.1 M NaCl solution. Microstructures at different magnifications indicate several and severe pits.