三氯乙酸中十二烷基二甲基苄基氯化铵在冷轧钢表面的吸附及缓蚀作用

周达, 李向红, 雷然, 邓书端

Adsorption and Inhibition Action of Dodecyl Dimethyl Benzyl Ammonium Chloride on Cold-rolled Steel in Trichloroacetic Acid

ZHOU Da, LI Xianghong, LEI Ran, DENG Shuduan

表4 20℃时冷轧钢在不同1227的0.10 mol/L Cl3CCOOH溶液中的EIS参数

Table 4 EIS parameters of cold rolled steel in 0.10 mol/L Cl3CCOOH solutions with different 1227 concentrations at 20oC

c Rs Rt RL Q a Cdl χ2 ηR mg·L-1 Ω·cm2 Ω·cm2 Ω·cm2 μΩ-1·S a ·cm-2 μF·cm-2 % 0 9.7 8.0 11.32 323 0.9397 223 3.5 × 10-3 - 10 11.3 137.1 - 146 0.7871 50 2.5 × 10-3 94.1 50 12.1 365.9 - 147 0.7018 46 2.4 × 10-3 97.8 100 11.7 409.8 - 179 0.7079 57 3.6 × 10-3 98.0