TiO₂ Deposition on AZ31 Magnesium Alloy Using Plasma Electrolytic Oxidation

Table 3

Data of equivalent circuits of AZ31 substrate and PEO coating after 5 minutes.

Sample	𝑅s (Ω⋅cm^2)	𝑅p (Ω⋅cm^2)	CPEp	𝑅b (Ω⋅cm^2)	CPEb
AZ31	7.118	204.3×10^−9	—	4.02×10^3	293.0×10^−9
PEO	15.24	1.114×10^−6	3.356×10^−6	225.4×10^3	15.57×10^−6