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]