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Electrosynthesis of Polyaniline Film on AA 7075 Alloy and Its Corrosion Protection Ability

IR@CECRI: CSIR-Central Electrochemical Research Institute, Karaikudi

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Title Electrosynthesis of Polyaniline Film on AA 7075 Alloy and Its Corrosion Protection Ability
 
Creator Kamaraj, K.
Karpakam, V.
Sathiyanarayanan, S.
Venkatachari, G.
 
Subject Corrosion Science and Engineering
 
Description Polyaniline has been electrodeposited on an AA 7075 alloy by a potentiostatic method, and its corrosion protection ability has been studied by Tafel polarization and electrochemical impedance spectroscopic techniques in 1% NaCl. A pure polyaniline film protects the aluminum alloy up to 70%. However, the corrosion resistance property of the polyaniline film has substantially increased to 90% by post-treatment in a cerium salt solution. X-ray photoelectron spectra studies have shown that the film formed due to the post-treatment of polyaniline with the AA 7075 alloy in the cerium salt solution is composed of both Ce3+ and Ce4+ oxides.
 
Publisher The Electrochemical Society
 
Date 2010
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://cecri.csircentral.net/331/1/2010-079.pdf
Kamaraj, K. and Karpakam, V. and Sathiyanarayanan, S. and Venkatachari, G. (2010) Electrosynthesis of Polyaniline Film on AA 7075 Alloy and Its Corrosion Protection Ability. Journal of the Electrochemical Society, 157 (3). C102-C109. ISSN 0013-4651
 
Relation http://cecri.csircentral.net/331/