4种镁合金在Cl--NH4+-NO3-溶液体系中的腐蚀行为差异研究

于浩冉, 张文丽, 崔中雨

Difference in Corrosion Behavior of Four Mg-alloys in Cl--NH4+-NO3- Containing Solution

YU Haoran, ZHANG Wenli, CUI Zhongyu

表2 4种镁合金在0.1 mol/L NaCl溶液中的自腐蚀电流密度 (Icorr) 和腐蚀速率 (Pi)

Table 2 Free corrosion current densities (Icorr) and corrosion rates (Pi) of four Mg-alloys in 0.1 mol/L NaCl solution

Alloy bc / mV·dec-1 Icorr / A·cm-2 Pi / mm·a-1 AZ91 -0.116 6.99×10-6 0.16 AM60 -0.110 7.50×10-6 0.17 AZ31 -0.118 1.35×10-5 0.31 ZK61 -0.211 8.23×10-5 1.88