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4 纯镁样品腐蚀形貌的SEM形貌

Fig.4 SEM of the corrosion morphology of pure Mg-alloy: (a) surface film morphology, (b) the morphology with high magnification of region 3, (c) matrix morphology after corrosion products removed, (d) the morphology with high magnification of region 4