How Marine Conditions Affect Severity of MIC of Steels
NAVAL RESEARCH LAB STENNIS SPACE CENTER MS
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Both microfouling bioflims and macrofouling can influence corrosion in marine environments. Bioflims force an increase in open circuit potential ennoblement for passive alloys and an increase in cathodic kinetics. The result is a decrease in initiation time for crevice corrosion for some stainless steels and increase propagation rate for galvanic corrosion for some couple metals. A specific type of carbon sheet piling corrosion. accelerated low water corrosion, k has been attributed to a microbiologically generated sulfur cycle in the presence of heave macrofouling in tidal zones. Ennoblement and carbon steel sheet piling corrosion have been observed in fresh water. but the mechanisms producing these two phenomena are specific to the environments.
- Physical and Dynamic Oceanography
- Metallurgy and Metallography
- Properties of Metals and Alloys