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3 不同占空比下阴极保护试样的EDS测试结果

Table 3 EDS analysis results of cathodically protected Q345B specimens under different duty cycles

Duty cycles Element Line type Mass fraction / % Mass fraction / % σ Atomic fraction / % 0.25 Mg K-line system 61.03 0.35 77.98 Ca 1.60 0.11 1.24 Fe 37.37 0.35 20.79 0.50 Mg K-line system 95.65 0.32 97.72 Ca 1.98 0.14 1.23 Fe 2.37 0.29 1.05 0.75 Mg K-line system 97.42 0.31 98.63 Ca 1.31 0.14 0.80 Fe 1.27 0.28 0.56