桥梁缆索用高强锌铝合金镀层钢丝在中性盐雾环境中的腐蚀行为研究

陈思雨, 王靖羽, 高立强

Corrosion Behavior in Neutral Salt Spray Environment of High Strength Zn-Al Alloy Coated Steel Wire for Bridge Cables

CHEN Siyu, WANG Jingyu, GAO Liqiang

表4 电化学阻抗拟合数据表

Table 4 Fitting data of electrochemical impedance spectroscopies dudu

Period Rs / Ω·cm-2 Q1 / F·cm-2 n1 R1 / Ω·cm-2 Q2 / F·cm-2 n2 R2 / Ω·cm-2 Rp 120 h 2.851 × 10-3 1.87 × 10-3 0.4988 3558 6.381 × 10-8 1 15.91 3573.91 240 h 10 7.533 × 10-4 0.5019 1795 4.387 × 10-8 1 17.25 1812.25 360 h 0.01 2.637 × 10-3 0.502 1162 6.128 × 10-8 1 9.774 1171.77 480 h 0.01 1.098 × 10-2 0.4947 358.7 3.664 × 10-8 1 11.69 370.39 600 h 0.01 9.243 × 10-3 0.6885 468.9 6.301 × 10-8 1 10.56 479.46 720 h 0.01 2.967 × 103 0.7173 640.6 3.067 × 10-8 1 13.49 654.09 840 h 0.01 6.037 × 10-3 0.749 1457 5.535 × 10-8 1 12.87 1469.87 960 h 0.01 4.612 × 10-3 0.6178 2580 3.404 × 10-6 1 21.4 2601.4