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Corrosion of ferrous alloys in deep sea environments

Venkatesan, R and Venkatasamy, MA and Bhaskaran, TA and Dwarakadasa, ES and Ravindran, M (2002) Corrosion of ferrous alloys in deep sea environments. In: British Corrosion Journal, 37 (4). pp. 257-266.

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Abstract: The deep sea corrosion of ferrous alloys that undergo uniform corrosion without forming a passive layer is related to the amount of dissolved oxygen available in the sea water. The preformance of some ferrous alloys at depths of 500, 1200, 3500, and 5100m in the Indian Ocean has been studied. The results of atomic absorption spectroscopy have revealed that the corrosion product present on mild steel coupons is FeOOH. The results of experiments in shallow water have shown that micro- and macrobiological growths play a significant role in the corrosion of ferrous materials. However, in deeper waters, the absence of macrofouling was evident, and corrosion was not related to any biological product but mainly to the electrochemical reaction of these alloys with sea water. The results of morphological studies by SEM on the surfaces of exposed specimens are also presented.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Institution of Mining and Metallurgy.
Keywords: Water;Steel;Pressure.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Users 758 not found.
Date Deposited: 15 Jul 2009 05:24
Last Modified: 15 Jul 2009 05:24
URI: http://eprints.iisc.ac.in/id/eprint/17224

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