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

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dc.contributor.author Abbas, Muntazir
dc.contributor.author Simms, Nigel
dc.contributor.author Syed, Ali Sarfaraz
dc.contributor.author Malik, Owais Ahmed
dc.contributor.author Sumner, Joy
dc.date.accessioned 2020-01-31T10:43:13Z
dc.date.available 2020-01-31T10:43:13Z
dc.date.issued 2019-09-13
dc.identifier.citation Abbas M, Simms N, Syed A, Malik OA & Sumner J (2019) Evaluation of the effects of highly saline and warm seawaters on corrosivity of marine assets. In: EUROCORR 2019, Seville, 9-13 September 2019 en_UK
dc.identifier.uri https://eurocorr.org/Archive/EUROCORR+2019.html
dc.identifier.uri http://dspace.lib.cranfield.ac.uk/handle/1826/15056
dc.description.abstract In 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.language.iso en en_UK
dc.publisher DECHEMA en_UK
dc.rights Attribution-NonCommercial 4.0 International *
dc.rights.uri http://creativecommons.org/licenses/by-nc/4.0/ *
dc.subject cupronickel (Cu-Ni) en_UK
dc.subject mild steel (MS) en_UK
dc.subject dissolved inorganic nitrogen (DIN) en_UK
dc.subject sulphide reducing bacteria (SRBs) en_UK
dc.title Evaluation of the effects of highly saline and warm seawaters on corrosivity of marine assets en_UK
dc.type Conference paper en_UK

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