镁合金表面超声滚压预处理对微弧氧化膜耐蚀性能的影响

魏征, 马保吉, 李龙, 刘潇枫, 李慧

Effect of Ultrasonic Rolling Pretreatment on Corrosion Resistance of Micro-arc Oxidation Coating of Mg-alloy

WEI Zheng, MA Baoji, LI Long, LIU Xiaofeng, LI Hui

表1 MAO与UIRP+MAO阻抗拟合结果

Table 1 Impedance fitting results of MAO and UIRP+MAO

Fitting element Rs / Ω·cm2 CPE1-T / F·cm2 CPE1-P R1 / Ω·cm2 CPE2-T / F·cm2 CPE2-P R2 / Ω·cm2 UIRP+MAO 8.535 1.694×10-5 0.95033 38.82 1.961×10-5 0.96233 57636 MAO 19.08 6.623×10-6 0.91266 44.89 6.885×10-6 0.84892 34634