MIC of storage tank aluminum floating roofs during hydrotest

Jeana Stakosvetsky, Robert Armon, Alec Groysman, Davbd Starosvetsky

Research output: Contribution to specialist publicationArticle

8 Scopus citations


A 3-week, ambient-temperature hydrotest of storage tanks led to severe pitting of the underside of the aluminum-magnesium alloy floating roofs. Water from a fire water line was used in the hydrotest. Chemical and microbiological analysis of the water and corrosion products, as well as corrosion tests carried out on original and sterilized test water with coupons made of the aluminum alloy, revealed microbiologically influenced corrosion (MIC). The authors suggest that high susceptibility of aluminum alloy to MIC arises from the presence of magnesium - a main alloying element.

Original languageEnglish
Number of pages5
Specialist publicationMaterials Performance
StatePublished - 2002
Externally publishedYes


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