Table 5 Results of the electrochemical tests conducted in a 3.5% NaCl solution with the addition of H3BO3 at the 2500 ppm of boron at 40℃.

From: The effect of cooling rate and content of niobium on the structure, wear and corrosion resistance of CoCrFeNiNbx high entropy alloys

Sample

Form

Ecorr

[mV]

(± 10)

jcorr

[µA/cm2]

(± 0.1)

Rp

[kΩcm2]

(± 0.1)

CoCrFeNiNb0.25

Ingot

− 201

65.3

0.49

Plate

− 241

22.7

0.86

CoCrFeNiNb0.45

Ingot

− 157

5.1

7.32

Plate

− 233

22.1

0.64

CoCrFeNiNb0.65

Ingot

− 178

1.6

20.4

Plate

− 252

14.8

0.59

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