交变载荷频率对MS X65管线钢在H2S介质中腐蚀电化学行为影响
戈方宇, 黄峰, 袁玮, 肖虎, 刘静

Effect of Cyclic Stress Frequency on Corrosion Electrochem-ical Behavior of MS X65 Pipeline Steel in H2S Containing Medium
GE Fangyu, HUANG Feng, YUAN Wei, XIAO Hu, LIU Jing
表1 MS X65管线钢在不同应力比及频率下的极化曲线拟合结果
Table 1 Polarization curve fitting results of MS X65 pipeline steel under different stress ratios and frequencies
Stress ratiofHzEcorr / V (vs SCE)IcorrA·cm-2Ic,dA·cm-2
0.40.05-0.7103.95×10-57.54×10-5
0.1-0.7064.09×10-58.50×10-5
0.25-0.6831.29×10-41.45×10-4
0.5-0.6781.22×10-41.39×10-4
1.0-0.6851.21×10-41.31×10-4
1.5-0.6811.24×10-41.46×10-4
0.850.05-0.7151.22×10-55.45×10-5
0.1-0.6631.85×10-41.92×10-4
0.25-0.6681.72×10-41.83×10-4
0.5-0.6572.47×10-42.56×10-4
1.0-0.6533.19×10-43.50×10-4
1.5-0.6523.01×10-43.53×10-4