Effect of Deformation Structure and Annealing Temperature on Corrosion of Ultrafine-Grain Fe-Cr Alloy Prepared by Equal Channel Angular Pressing

Figure 14

Surface appearance after anodic polarization test on as-ECAP processed sample with (a) 8% Cr, (b) 10% Cr, and (c) 12% Cr and grain growth stage (CG structure) with (d) 8% Cr, (e) 10% Cr, and (f) 12% Cr by laser microscopy.

(a)

(b)

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(d)

(e)

(f)