CeO2-GO/EP防腐复合涂层的制备和性能

彭怡和, 欧宝立, 彭勇洁, 温乜一, 程天宇, 陈迪名

Preparation and Properties of Cerium Dioxide-Graphene Oxide Hybrid Materials (CeO2-GO)/Epoxy Resin Anti-corrosive Composite Coating

PENG Yihe, OU Baoli, PENG Yongjie, WEN Mieyi, CHENG Tianyu, CHEN Diming

表1 动电位极化曲线的电化学动力学参数拟合结果

Table 1 Electrochemical kinetic parameters fitting results to the potentiodynamic polarization curves

Sample Corrosion potential,Ecorr / mV Corrosion current density, Icorr / A·cm-2 Bare steel -710 7.83 × 10-4 Pure EP -555 4.23 × 10-11 0.5% f-GO/EP -400 4.67 × 10-11 0.5% CeO2-GO/EP -177 1.67 × 10-12 1.0% CeO2-GO/EP -65 8.42 × 10-13 1.5% CeO2-GO/EP -336 1.90 × 10-12 2.0% CeO2-GO/EP -44 9.14 × 10-12