Improving Corrosion Resistance of Magnesium Alloy in Cl^- Containing Simulated Concrete Pore Solution by Ultrasound-Assisted Chemical Deposition

Figure 7

SEM images of the untreated and treated samples after immersion in Cl^- containing simulated concrete pore solution for 24 h: (a, b) surface morphology of the untreated sample and (c, d) surface morphology of the treated sample. The insets show the appearance of the samples after immersion for 24 h.

(a)

(b)

(c)

(d)