Table 3 Electrochemical parameters obtained from EIS measurements for the EBM and cast AlCoCrFeNi HEA specimens in a 3.5 wt% NaCl solution for 6 h at room temperature.

From: Corrosion mechanism of an equimolar AlCoCrFeNi high-entropy alloy additively manufactured by electron beam melting

Specimen

Rs (Ω cm2)

Qf (μF sn−1 cm−2)

nf

Rf (kΩ cm2)

Qdl (μF sn−1 cm−2)

ndl

Rct (kΩ cm2)

Rp (kΩ cm2)

Ceff (μF cm−2)

EBM Top

8.628

47.57

0.8863

17.80

700.7

0.7037

22.59

40.39

102.94

EBM Bottom

11.03

27.85

0.9277

24.00

12.33

0.7246

303.68

327.68

43.52

Cast

7.552

29.52

0.9264

20.05

130.5

0.7154

81.74

101.79

45.36

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