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

Figure 3

(a) SEM micrograph for the surface of the Fe-36% Ni alloy after its immersion in 1 M HCl solutions for 96 h and (b) the corresponding EDS profile analysis shown in the SEM image.

(a)

(b)