Mechanistic study of ammonium-induced corrosion of AZ31 magnesium alloy in sulfate solution

Hui Pan^b, Liwei Wang^a, Yi Lin^b, Feng Ge^b, Kang Zhao^a, Xin Wang^b, Zhongyu Cui^b^,^*(

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Fig. 5.. Cross-sectional morphology of corrosion product and the substrate beneath it of AZ31 magnesium alloys after 120 h immersion in solutions with 0.001 M (a), 0.01 M (b), (d), and 0.1 M NH₄⁺ (c).