Corrosion Behavior of AZ31B Magnesium Alloy Anode by Sulfate-Reducing Prokaryotes in the Tidal Flat Mud with Different Water Contents

At present, there are few studies on microbial corrosion of magnesium anode materials that provide protection for oil pipelines in tidal flat environment. In view an abnormal failure anodes a mud environment, the influence change water content beach AZ31B by sulfate-reducing prokaryote (SRP) was investigated electrochemical methods, weight loss and surface analysis techniques. SRP can grow well environment cause alloy. The results show with increase content, number cells increased, corrosivity muds enhanced rate accelerated: compared 0.554 mm/y 40% alloy samples 60% is as high 1.38 mm/y.