Effect of Nickel Content on the Corrosion Resistance of Iron-Nickel Alloys in Concentrated Hydrochloric Acid Pickling Solutions

Table 2

Electrochemical impedance spectroscopy parameters obtained for Fe-36% Ni and Fe-45% Ni alloys after their immersions in 1 M HCl solutions.

Alloy	EIS parameter
	/Ω			/Ω			/Ω
		/F			/F
Fe-36% Ni	2.71	0.06414	0.88	76.6	0.002859	0.81	1166
Fe-45% Ni	3.54	0.02633	1.0	270.9	0.002612	0.94	1385