腐蚀形貌对镁合金电化学阻抗谱特征的影响研究

许诗源, 孟鑫, 杨亚璋, 刘辰, 张昭, 方晓祖

Effect of Corrosion Morphology on Electrochemical Impedance Spectroscopy Characteristics of Mg-alloy

XU Shiyuan, MENG Xin, YANG Yazhang, LIU Chen, ZHANG Zhao, FANG Xiaozu

图6 AZ31镁合金样品在3.5%NaCl溶液中浸泡24 h后截面形貌

Fig.6 Cross section of AZ31 Mg-alloy sample after immersion in 3.5%NaCl solution for 24 h: (a) SEM of filiform corrosion area, (b) SEM of pitting corrosion area