Effect of Nd³⁺ Ion Concentration on the Corrosion Resistance of API X70 Steel in Chloride-Rich Environments

Table 1

Electrochemical parameters of the polarization curves in the presence of Nd³⁺ ions.

(Nd^3+) M	Cathodic Ecorr (mV)	Anodic Ecorr (mV)	Ba (mV/Dec)	Bc (mV/Dec)	Anodic Icorr (mA/cm^2)	Cathodic Icorr (mA/cm^2)
0	−696	−703	72	517	0.0466173	0.047242
0.01	−713	−720	53	308	0.0107901	0.011432
0.005	−704	−716	56	380	0.0095416	0.0129336
0.001	−707	−714	57	346	0.0124705	0.0083153
0.0005	−713	−720	56	371	0.0120315	0.0126311
0.0001	−638	−642	92	645	0.0056876	0.0251889