酸洗工艺对不同锡量二次冷轧镀锡板耐蚀性能的影响

周谦永, 赖漾, 李谦

Effect of Pickling Process on Corrosion Resistance of Double Cold-reduced Tinplate with Different Tin Coating Masses

ZHOU Qianyong, LAI Yang, LI Qian

表2 图4中电化学阻抗谱的拟合电化学参数

Table 2 Fitting electrochemical parameters of EIS in Fig.4

Coating mass / g·m-2 Rs / Ω·cm2 Qm-Y0 / Ω-1·cm-2·s-n1 Qm-n Rm / Ω·cm2 Qdl-Y0 / Ω-1·cm-2·s-n1 Qdl-n Rct / Ω·cm2 EP-1.1 8.17 6.62 × 10-6 0.77 4.21 × 105 3.86 × 10-6 0.86 3.13 × 103 CP-1.1 10.55 1.03 × 10-5 0.78 1.39 × 105 6.45 × 10-6 0.86 1.62 × 103 EP-5.6 7.32 9.35 × 10-6 0.90 4.98 × 106 2.17 × 10-5 0.79 9.94 × 102 CP-5.6 8.63 7.28 × 10-6 0.89 2.31 × 106 2.85 × 10-5 0.79 1.78 × 102 EP-11.2 12.34 8.21 × 10-6 0.88 4.63 × 106 1.42 × 10-5 0.76 3.19 × 103 CP-11.2 6.76 8.62 × 10-6 0.89 3.59 × 106 2.66 × 10-5 0.80 7.85 × 102