新型复合缓蚀剂对青铜文物的防腐蚀研究

周浩, 王胜利, 刘雪峰, 尤世界

Hybrid Corrosion Inhibitor for Anti-corrosion and Protection of Bronze Relics

ZHOU Hao, WANG Shengli, LIU Xuefeng, YOU Shijie

表3 青铜样品的等效电路参数

Table 3 Electrical equivalent circuit parameters obtained for bronze samples

Parameter Rs / Ω·cm2 Y1 / S·Secn·cm-2 n1 R1 / Ω·cm2 Y2 / S·Secn·cm-2 n2 R2 / Ω·cm2 Zw / Ω·cm2 Rp / Ω·cm2 η / % #0 1.99 4.9×10-6 0.80 14.5 --- --- --- 0.0007 14.5 --- #1 2.22 2.9×10-5 0.75 29.12 6.4×10-6 0.61 166.20 --- 195.32 89.85 #2 2.99 1.5×10-6 0.82 71.65 2.6×10-5 0.91 478.98 --- 550.63 96.40 #3 1.64 1.3×10-6 0.73 81.35 1.4×10-4 0.78 753.79 --- 835.14 97.38 #4 3.26 4.01×10-5 0.85 1212.68 5.1×10-5 0.46 34043.04 --- 35255.72 99.95 #5 2.70 8.1×10-6 0.90 734.12 3.2×10-4 0.52 1373.41 --- 2107.53 99.01 #6 3.94 7.7×10-7 0.96 0.65 --- --- --- 0.0006 0.65 -180.66