Table 1 Parameters describing the polarization behaviour of the steel (for the anodic and cathodic surface) and model and medium properties of the forward model (see Fig. 9).
From: Electrochemical tomography as a nondestructive technique to study localized corrosion of metals
Parameter | Value [unit] |
|---|---|
\({\phi }_{{\rm{Fe}}}^{{\rm{rev}}}\) | −0.6143 [V vs SHE] |
i0,Fe | Included in inversion |
βan,Fe | 0.12 [V/dec] |
\({\phi }_{{{\rm{O}}}_{2}}^{{\rm{rev}}}\) | 0.46 [V vs SHE] |
\({i}_{0,{{\rm{O}}}_{2}}\) | Included in inversion |
\({\beta }_{{\rm{cath}},{{\rm{O}}}_{2}}\) | −0.16 [V/dec] |
iL | 2 [A/m2] |
γ | 3 |
L | 0.8 [m] |
Rsteel | 1.0 [cm] |
Rω | 4.7 [cm] |
∂ΩCE | 2 [cm] |
zCE | 0.2; 0.6 [m] |
Wan | Included in inversion |
zan | Included in inversion |
ρ | 150 [Ωm] |