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