输电塔杆用热浸镀锌钢在模拟酸雨大气环境中的腐蚀行为

刘雨薇, 王振尧, 王军, 胡波涛

Corrosion Behavior of Hot-dip Galvanized Steel for Power Transmission Tower in Simulated Acid Rain Atmospheric Environment

LIU Yuwei, WANG Zhenyao, WANG Jun, HU Botao

表1 拟合后镀锌钢的电化学阻抗谱参数

Table 1 Fitted EIS parameters of hot-dip galvanized steel

Corrosion time / h Rs / Ωcm-2 Q1 / Fcm-2 n1 Rct / Ωcm-2 Q2 / Fcm-2 n2 Rf / Ωcm-2 48 132.6 2.676×10-4 0.1970 1.501×104 3.012×10-5 0.6835 4636 84 109.6 2.103×10-4 0.2505 4.388×104 1.285×10-4 0.8595 759.8 132 145.6 2.070×10-4 0.4830 5.496×104 4.837×10-5 0.4717 1235 180 240.0 6.868×10-5 0.4541 4.591×104 1.002×10-5 0.7876 1619 228 167.1 6.364×10-5 0.5617 2.741×103 3.025×10-5 0.3221 429.8