典型接地材料在碱性土壤模拟液中的腐蚀行为研究

高智悦, 姜波, 樊志彬, 王晓明, 李辛庚, 张振岳

Corrosion Behavior of Typical Grounding Materials in Artificial Alkaline Soil Solution

GAO Zhiyue, JIANG Bo, FAN Zhibin, WANG Xiaoming, LI Xingeng, ZHANG Zhenyue

表1 3种金属材料在碱性土壤模拟液中的EIS拟合结果

Table 1 Fitting parameters of EIS of three metal materials in alkaline soil simulation solution

Sample Rs / Ω·cm2 Qf / Ω-1·cm-2·s-n n Rf / Ω·cm2 Qdl / Ω-1·cm-2·s-n n Rct / Ω·cm2 L / H·cm2 Q235 steel 58.7 1.85×10-8 0.96 25.34 9.21×10-4 0.77 214.1 --- Galvanized steel 86.03 1.73×10-5 0.99 355.7 1.19×10-5 0.99 298.5 7.14×10-7 Pure copper 95.24 2.20×10-4 0.8 78.27 8.23×10-4 0.61 683.4 ---