Table 6 Electrochemical measurment results are compared to previously publish comparable studies.

Coating

GO with TTA compound epoxy coating on Aluminum

3.5% NaCl solution

Al5083

EIS

0.178

Present

Coating

TiO₂-GO-f-EP

3.5% NaCl solution

Al-2024

EIS

5.15 × 10^{− 10}

¹⁸

Coating

PEO Silane GO

simulated body fluid (SBF) NaCl, MgCl₂⋅ 6H₂O, CaCl₂, NaHCO₃, KCl, K₂HPO₄⋅3H₂O, and Na₂SO4 in deionized water

pure titanium (grade 2)

EIS

31.01

²³

Coating

GO-Ti/EP

3.5% NaCl solution

Q235 steel

EIS

–

²⁴