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Look for reduced efficiency, increased maintenance requirements, and changes in system pressure or flow.
MIC is corrosion influenced by the presence and/or activity of microorganisms that can lead to equipment failure and increased maintenance costs. Proper control and monitoring can increase the lifetime of an asset as well as can save money and potentially biocides.
Only after a proper failure analysis has been performed can it be clearly established that the damage is caused by MIC.
Almost all industries with a stagnant medium. The oil and gas industry has the most data, but drinking water and wastewater networks, cooling water systems, paper industry, etc. are also seriously affected.
A multidisciplinary approach is the most effective. A combination of chemical, metallurgical, molecular and microbiological (MMM) methods is needed to clearly demonstrate that the observed phenomenon is indeed MIC.
Carbon steels, mild steels, 300 series austenitic steels, and Cu, Cu/Ni, and Al alloys are all susceptible to MIC. Thougth by increasing the molybdenum content of austenitic steels above 6% will significantly reduce the susceptibility to MIC.