Figure 5 - uploaded by Ejiroghene Kelly Orhorhoro
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... rate of corrosion is reduced as a result of the thin coating of oxides sticking to the metal surface. The mild steel used in the corrosion experiment was analyzed using an energy dispersive spectrometer (SEM) and scanning electron microscopy (SEM/EDS) as shown in Figure 5. The pearlite (black) phase in the ferrite matrix (white) is clearly seen in the SEM morphology. ...