超声波调控下聚合物缓蚀剂对金属腐蚀行为的作用机制研究

高金彪, 刘怡, 赵海波, 高清河, 吴禹沈, 于鑫

Mechanistic Investigation in Controlling Metal Corrosion by Synegistic Effect of Ultrasonic and Polymer Corrosion Inhibitors

GAO Jinbiao, LIU Yi, ZHAO Haibo, GAO Qinghe, WU Yushen, YU Xin

表1 超声作用1 min后的极化曲线拟合参数

Table 1 Polarization curves fitting parameters with ultrasound treatment for 1 min

Experimental conditions Ecorr / V Icorr / A·cm-2 bc / mV·dec-1 ba / mV·dec-1 Corrosion rate / mm·a-1 Control group -0.756 1.156 × 10-5 -325.82 141.97 0.136 25%P -0.710 4.927 × 10-6 -343.04 184.31 0.058 50%P -0.622 6.765 × 10-6 -391.23 178.47 0.079 75%P -0.813 9.985 × 10-6 -254.16 277.29 0.117 100%P -0.631 9.138 × 10-6 -305.22 278.81 0.107