A572Gr.65钢在不同土壤模拟液中的腐蚀动力学

丁聪, 张金玲, 于彦冲, 李烨磊, 王社斌

Corrosion Kinetics of A572Gr.65 Steel in Different Simulated Soil Solutions

DING Cong, ZHANG Jinling, YU Yanchong, LI Yelei, WANG Shebin

表2 A572Gr.65钢在土壤模拟液中EIS拟合结果

Table 2 Fitting parameters of EIS of A572Gr.65 steel

pH RsΩ·cm2 CPE-T CPE-P RpΩ·cm2 L1 R1Ω·cm2 4 214.1 2.64×10-4 0.6943 201.3 52.6 291.6 6 470.5 5.18×10-4 0.7713 1966 --- --- 7 465.9 1.34×10-4 0.7545 3743 --- --- 8 355.2 1.01×10-4 0.7883 3769 --- --- 10 359.3 2.57×10-5 0.8801 140250 --- ---