Table 3: Polarization data of CS in 0.5 M HCl without and with various concentrations of AO at 298 K.


Electrode Inh. Conc. Ecorr. (mV) Icorr. (μA/cm2) Tafel slopes Corrosion rate (CR) (mpy) η (%)

βa (V/decade) βc (V/decade)
CS Blank −499 4,000 0.225 0.198 550 0
50 ppm −497 228 0.178 0.153 118 94
50 ppm + 5 kGy −505 210 0.147 0.114 108 95
50 ppm + 15 kGy −506 201 0.147 0.151 104 95