Abstract
Microbial corrosion is studied and analyzed. Three metals were considered for the outgoing study, Aluminum, Al-7.975Si-3.45Mg alloy, Stainless Steel, AISI316, and Low Carbon Steel. The metals corrosion is considered by three types of water, distillated, tap, and lichen. Results of exposing the metal samples in three types for a specific time intervals were analyzed. Lichen water has shown the most corrosion effect due to Sulfate Reducing Bacteria (SRB). Weight loss, corrosion potential and current were measured and results illustrated that Aluminum has the most MIC resistance, 1.509mpy, then, stainless steel,2.38 mpy came in second and Carbon Steel 3.38 mpy. It has been noticed the increasing in potential negativity and in current in lichen water opposing to tap and distillate water.
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