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 4 Corrosion resistance of superhydrophobic coatings (icorr, A cm-2) prepared by two-step method (the best results among different parameters)

Method/coating type Substrate Middle layer Superhydrophobic layer References MAO + electrodeposition 3.55 × 10-5 8.36 × 10-6 7.68 × 10-8 [47] MAO + soak 4.21 × 10-4 1.13 × 10-6 2.35 × 10-7 [48] MAO + soak (multiple-cycle assembly) 2.1 × 10-5 8.2 × 10-7 3.5 × 10-8 [49] Hydrothermal (Mg(OH)2) + soak 1.62 × 10-5 - 1.72 × 10-7 [50] LDH + electrodeposition 9 × 10-5 4 × 10-5 4 × 10-6 [51] Electrodeposition (CeO2) + soak 4.71 × 10-4 5.43 × 10-5 1.14 × 10-6 [52]