Corrosion Resistance and Durability of Superhydrophobic Coating on AZ31 Mg Alloy via One-Step Electrodeposition

Yin Zheng-Zheng, Zhang Zhao-Qi, Tian Xiu-Juan, Wang Zhen-Lin, Zeng Rong-Chang

Table 5 Equivalent circuit fitting results of the EIS date after immersion

Immersion time (days) Rs (Ω cm2) CPEf (Ω-1 sn cm-2) n Rf (Ω cm2) CPE1 (Ω-1 sn cm-2) n Rct (Ω cm2) RL (Ω cm2) L (H cm2) |Z| (Ω cm2) 1 1.74 × 103 2.93 × 10-10 0.85 1.12 × 104 1.06 × 10-5 0.54 3.82 × 104 5.51 × 104 8.99 × 105 3.81 × 104 3 1.67 × 103 8.93 × 10-9 0.77 1.21 × 104 8.40 × 10-6 0.57 2.30 × 104 3.33 × 10-2 2.20 × 106 3.50 × 104 5 1.55 × 103 1.78 × 10-9 0.87 4.13 × 103 2.90 × 10-5 0.45 1.20 × 104 - - 1.65 × 104 7 3.60 × 102 2.05 × 10-6 0.57 3.04 × 103 2.83 × 10-5 0.80 5.76 × 103 - - 9.70 × 103