模拟液滴电导率变化对碳钢大气腐蚀的影响机制研究

李兆南, 侯禹岑, 莒鹏, 庄铁钢, 陈景杰, 王明昱, 徐云泽

Influence of Simulated Electrolyte Droplets with Varied Conductivity on Atmospheric Corrosion of Carbon Steel

LI Zhaonan, HOU Yucen, JU Peng, ZHUANG Tiegang, CHEN Jingjie, WANG Mingyu, XU Yunze

表1 Q355b碳钢在不同浓度的NaCl溶液中极化曲线的拟合电化学参数

Table 1 Fitting electrochemical parameters of polarization curves for Q355b carbon steel in NaCl solutions with different concentration

Concentration	I_corr / mA·cm^-2	β_a / mV·dec^-1	β_c / mV·dec^-1	I_L / mA·cm^-2
0.001 mol/L	0.0124	76.96	22.58	0.0233
0.003 mol/L	0.0152	67.47	26.77	0.0232
0.2 mol/L	0.0191	43.77	178.84	1.27 × 10¹⁵
0.5 mol/L	0.0038	24.93	85.47	1.17 × 10¹⁷