Supplementary Table 1: The fitting parameters of electrochemical polarization tests of the polished samples.

 

Ecorr.

(V vs. SHE)

Ecr.

(V vs. SHE)

jp

(A/cm²)

E1

(V vs. SHE)

Epit

(V vs. SHE)

Wrought I

-0.674

0.26

3.83 × 10-6

1.69

6.49

SLM I

-0.791

0.51

4.12 × 10-6

1.79

5.73

SLM HT i.I

-0.612

0.41

4.48 × 10-6

1.66

3.67

SLM HT ii.I

-0.739

0.40

3.56 × 10-6

1.70

5.26