Table 4: Experimental results of potentiodynamic polarization test.

Sl. no. Ecorr (mV versus SCE) Icorr (A/cm2) 1 −451.41 6.107 2 −327.02 0.050 3 −358.33 0.042 4 −468.92 1.967 5 −257.34 0.065 6 −343.07 0.083 7 −334.05 0.039 8 −330.62 0.071 9 −364.45 0.197 10 −477.13 4.502 11 −463.15 0.295 12 −336.3 0.256 13 −434.62 0.173 14 −355.74 0.648 15 −273.61 0.038 16 −408.09 2.479 17 −308.4 0.128 18 −307.84 0.065 19 −278.71 0.080 20 −388.78 0.485 21 −299.43 1.591 22 −366.32 0.687 23 −492.59 1.426 24 −304.76 0.062 25 −344.22 0.751 26 −360.3 0.055 27 −362.39 0.407