转动条件下Q345B钢在人工海水中阴极保护效果试验研究

郑中逸, 冯毅翔, 宋沁峰, 甘甜思雨, 苑旺, 董亮

Effectiveness of Cathodic Protection on Rotating Test-piece of Q345B Steel in Artificial Seawater

ZHENG Zhongyi, FENG Yixiang, SONG Qinfeng, GAN Tiansiyu, YUAN Wang, DONG Liang

表6 不同占空比条件下电化学阻抗谱的拟合结果

Table 6 Fitting results of electrochemical impedance spectra under different duty cycles

Duty cycle Rs / Ω·cm2 Rf / Ω·cm2 CPE1-T CPE1-P Rt / Ω·cm2 CPE2-T CPE2-P Normal CP 9.227 803.4 1.368 × 10-3 0.74352 1524 3.88 × 10-3 0.75733 0.25 10.38 - 5.549 × 10-3 0.5196 786.9 - - 0.50 7.868 69.56 1.940 × 10-3 0.47072 2928 5.406 × 10-3 0.66481 0.75 12.05 206 2.167 × 10-3 0.56939 12083 2.647 × 10-3 0.50941