Evaluation of the effects of highly saline and warm seawaters on corrosivity of marine assets

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dc.contributor.authorAbbas, Muntazir
dc.contributor.authorSimms, Nigel
dc.contributor.authorSyed, Ali Sarfaraz
dc.contributor.authorMalik, Owais Ahmed
dc.contributor.authorSumner, Joy
dc.date.accessioned2020-01-31T10:43:13Z
dc.date.available2020-01-31T10:43:13Z
dc.date.issued2019-09-13
dc.description.abstractIn marine environment, the corrosion rate of metallic structures vary remarkably with the change in climatic conditions and seawater composition across geographical locations. The corrosion in brackish and polluted seawaters is even more complicated due to the presence of different chemical species and untreated effluents. The complex correlation between the above average temperature and salinity with the high nutrient content in polluted seawater tends to accelerate the rate of biological activities and microbiological induced corrosion (MIC). This research paper has investigated the short-term corrosion of cupronickel (Cu-Ni) 90/10 alloy, and mild steel in the highly saline and warm seawaters. Field experiments for general corrosion under fully immersed condition were conducted at two site locations, represented as site 1 for pollutantrich seawaters and site 2 for natural seawaters in the North Indian Ocean. The experiments were conducted for a period of up to two months and coupons for each metal alloy were recovered from both sites after an exposure period of 15, 30, 45, and 60 days, respectively. In both environmental conditions, significantly high mass loss and corrosion rates were recorded for each metal alloys. Despite the same temperature of seawater and immersion depth at both sites, average corrosion losses at site 1 were found to be 5 and 3 times higher than that of site 2 for Cu-Ni alloy 90/10, and mild steel coupons, respectively.en_UK
dc.identifier.citationAbbas M, Simms N, Syed A, et al., (2019) Evaluation of the effects of highly saline and warm seawaters on corrosivity of marine assets. In: EUROCORR 2019, 9-13 September 2019, Seville, Spainen_UK
dc.identifier.urihttps://eurocorr.org/Archive/EUROCORR+2019.html
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/15056
dc.language.isoenen_UK
dc.publisherDECHEMAen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectcupronickel (Cu-Ni)en_UK
dc.subjectmild steel (MS)en_UK
dc.subjectdissolved inorganic nitrogen (DIN)en_UK
dc.subjectsulphide reducing bacteria (SRBs)en_UK
dc.titleEvaluation of the effects of highly saline and warm seawaters on corrosivity of marine assetsen_UK
dc.typeConference paperen_UK

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