Corrosion Behaviour of AZ and ZA Magnesium Alloys in Alkaline Chloride Media

Figure 4

Optical observation of pitting for (a) AZ91D and (b) ZA10403 after 8 h of immersion in untreated 5% NaCl solution saturated with Mg(OH)₂ at pH 9 and 25°C.

(a)

(b)