带损伤环氧涂层钢筋在Cl-和碳化耦合作用下的腐蚀行为
魏洁1, 魏英华2, 李京2, 赵洪涛2, 吕晨曦2, 董俊华1(
), 柯伟3, 何小燕3
), 柯伟3, 何小燕3
Corrosion Behavior of Damaged Epoxy Coated Steel Bars Under the Coupling Effect of Chloride Ion and Carbonization
WEI Jie1, WEI Yinghua2, LI Jing2, ZHAO Hongtao2, LV Chenxi2, DONG Junhua1(), KE Wei3, HE Xiaoyan3
), KE Wei3, HE Xiaoyan3
图11. S1~S6溶液EIS拟合用等效电路
Fig.11. Schematics of equivalent circuit models for EIS fitting of solutions S1~S6
(a) passivation system of S1 and S3 (Rs—solution resistance, Rc—polarization resistance of cathodic oxygen reduction, Qc—cathode oxygen reduction capacitance, Ra—charge transfer resistance, Qa—double layer capacitance)
(b) activation system of S2, S4~S6 (Zw—Warburg resistance)
