超细层片结构Al-4%Cu合金的点蚀行为

辛叶春, 徐伟, 赵东杨, 张波

Pitting Corrosion Behavior of Ultra-fine Lamellated Al-4%Cu Alloy

XIN Yechun, XU Wei, ZHAO Dongyang, ZHANG Bo

图5 不同处理状态样品的极化曲线及72 h浸泡实验后的腐蚀形貌

Fig.5 Potentiodynamic polarization curves of CG, as deformed and sensitized Al-4%Cu samples in 0.6 mol/L NaCl solution (pH7) (a), corrosion morphology of CG (b), as deformed (c) and sensitied Al-4Cu sample (d) after immersed for 72 h (b~d)