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Corrosion behavior of 8090-T851 alloy in HCl solution containing metal cations

Murthy, KSN and Dwarakadasa, ES (1993) Corrosion behavior of 8090-T851 alloy in HCl solution containing metal cations. In: Bulletin of Electrochemistry, 9 (8-10). pp. 419-422.

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Abstract

General corrosion of 8090-T851 Al-Li alloy in a pH = 2.0 HCl solution was studied by weight loss and polarization techniques in the presence of $Cu^{2+}$, $Al^{3+}$, and $Li^{+}$. $Cu^{2+}$ exerted the largest effect as corrosion activators followed by $Al^{3+}$, whereas $Li^{+}$ ions showed little effect. The extent of acceleration of corrosion is a function of ion concentration in solution and seems to depend on the ability of cations to deposit on the corroding substrate and/or activation of the metal surface owing to a change in its nature in the presence of cations.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Central Electrochemical Research Institute.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 21 Jun 2008
Last Modified: 28 Feb 2010 13:04
URI: http://eprints.iisc.ernet.in/id/eprint/14516

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