Research Article
Corrosion Behaviour of a Cr2O3 Coating on Mild Steel in Synthetic Mine Water
Figure 3
SEM-BSE micrographs showing the morphologies of (a) mild steel substrate-NiCrAlY bond-Cr2O3 top coating system; (b) NiCrAlY bond-Cr2O3 top coating system with pores, cracks, and unmelted particles; (c) Cr2O3 top coating, showing splats; and (d) mild steel substrate, showing ferrite and pearlite [26].
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