Table 3 Electrochemical parameters of corrosion process estimated through Tafel approximation.

From: Effects of nickel content on the microstructure, microhardness and corrosion behavior of high-entropy AlCoCrFeNix alloys

Alloy

Ecorr (mV)

icorr (nA/cm2)

ba (mV)

bc (mV)

Corrosion rate (mmpy)

AlCrFeCoNi

− 255.59

428

638.4

255.1

5.92E−03

AlCrFeCoNi1.4

− 199.7

748

169.2

124.5

3.00E−02

AlCrFeCoNi1.8

− 206.86

374

347

185.8

1.25E−02