Table 4: Potentiodynamic and linear polarization parameters of CS specimens in 1 M HCl at 30°C in the absence and presence of A9Y5GPA.

Tafel dataLinear polarisation data
(mM) (mV/SCE) (mA/cm2) (V/dec) (V/dec) (ohm)

Blank−4890.62820.0760.09629.36
0.2−4950.14410.10.08577.06138.178.74
0.4−5050.12250.0850.08880.50150.680.50
0.6−5100.1060.0930.09883.13192.784.76
0.8−4780.07930.0830.08987.38225.086.95
1.0−4790.06860.0880.08789.08244.387.98