Sample

E_corr (mV)

E_p (mV)

I_corr (μA)

Grain size (μm)

Solution-treated

−189.34

-

10.720

64.00

0.1 s⁻¹

−397.71

514.37

0.753

13.43

0.5 s⁻¹

−463.27

465.61

1.404

11.85

1.0 s⁻¹

−465.84

389.20

0.856

10.57

5.0 s⁻¹

−478.49

462.29

8.204

7.35