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. 14.. Normalized impedance diagrams of AZ31 magnesium alloys after immersion in the solutions containing 0.001 M (a), 0.01 M (b), and 0.1 M (c) NH₄⁺ for different time and the comparison of the diagrams in different solutions at 0.5 h (d).