激光清洗对不锈钢表面耐腐蚀性能的影响

陆海峰, 缪强, 梁文萍, 姚志猛, 魏少翀, 陈国星

Effect of Laser Surface Cleaning on Corrosion Resistance of Stainless Steel

LU Haifeng, MIAO Qiang, LIANG Wenping, YAO Zhimeng, WEI Shaochong, CHEN Guoxing

表2 对EIS谱进行的等效电路拟合结果

Table 2 Fitting results of EIS of 304 stainless steels before and after laser cleaning

Samples Rs / Ω·cm2 Rct / Ω·cm2 Qdl / μF·cm-2·s-n n1 Rf / Ω·cm2 Qf / μF·cm-2·s-n n2 χ2 Rp / Ω·cm2 Pre-cleaned 14.9 38 18 0.94 192800 34 0.82 2.8 × 10-4 (3.35 ± 2.02) × 105 180 W laser-cleaned 14.1 11 23 0.83 65340 40 0.82 5.3 × 10-4 (5.51 ± 1.44) × 104 240 W laser-cleaned 2.7 129 29 0.85 841800 28 0.91 4.5 × 10-3 (6.49 ± 2.72) × 105