镁合金腐蚀测试与分析研究进展

黄居峰, 宋光铃

Research Progress on Corrosion Testing and Analysis of Mg-alloys

HUANG Jufeng, SONG Guangling

表1 不同镁合金腐蚀速率的比较

Table 1 Comparison of corrosion rates of various Mg-alloys

Material Solution Time Method Corrosion rate / mm·a-1 Reference Mg5Y 3.5%NaCl 300 h Hydrogen collection 4.1 [22] Mg5Y 3.5%NaCl 400 s Tafel extrapolation 0.4 [22] Mg5Li1Al 3.5%NaCl 14 d Mass loss 38 [23] Mg5Li1Al 3.5%NaCl 20 m Tafel extrapolation 22 [23] AZ91 3.5%NaCl 24 h Mass loss 1.6 [24] AZ91 3.5%NaCl 15 m Tafel extrapolation 1.3 [24] Mg0.06Cu Hanks solution 7 d Mass loss 30 [25] Mg0.06Cu Hanks solution 30 m Tafel extrapolation 0.12 [25] Mg0.14In 0.1 mol/L NaCl 1 d Mass loss 7 [26] Mg0.14In 0.1 mol/L NaCl 10 m Tafel extrapolation 0.6 [26] Pure Mg 0.1 mol/L NaCl 1 d Mass loss 0.8 [26] Pure Mg 0.1 mol/L NaCl 10 m Tafel extrapolation 0.3 [26] Pure Mg NaCl+ZnCl2 41.3 h Hydrogen collection 12 [27] Pure Mg NaCl+ZnCl2 41.3 h Mass loss 14 [27] Pure Mg 0.4 mol/L Na2SO4 7 d Hydrogen collection 0.5 [28] Pure Mg 0.4 mol/L Na2SO4 7 d AC impedance 0.2 [28] Pure Mg 0.4 mol/L (NH4)2SO4 7 d Hydrogen collection 16 [28] Pure Mg 0.4 mol/L (NH4)2SO4 7 d AC impedance 12 [28]