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Type: Artigo de periódico
Title: Electrochemical corrosion parameters of as-cast Al-Fe alloys in a NaCl solution
Author: Osorio, WR
Peixoto, LC
Goulart, PR
Garcia, A
Abstract: The aim of this study is to evaluate the general electrochemical corrosion resistance of Al-Fe alloys in the range of hypoeutectic compositions, Al-0.5 wt.% Fe and Al-1.5 wt.% Fe alloy. EIS plots, potentiodynamic polarization curves and an equivalent circuit analysis were used to evaluate the electrochemical parameters in a 0.5 M NaCl solution at 25 degrees C. It is shown that for an Al-0.5 wt.% Fe alloy, coarse cells tend to improve the corrosion resistance mainly due to the reduction in cellular boundaries and for an Al-1.5 wt.% Fe alloy, an opposite trend has been detected. (C) 2010 Elsevier Ltd. All rights reserved.
Subject: Aluminium
Pitting corrosion
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Citation: Corrosion Science. Pergamon-elsevier Science Ltd, v. 52, n. 9, n. 2979, n. 2993, 2010.
Rights: fechado
Identifier DOI: 10.1016/j.corsci.2010.05.011
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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