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Synergistic interaction of indium and gallium in the activation of aluminium alloy in aqueous chloride solution

J. Mathiyarasu (Corrosion Science and Engineering Division, Central Electrochemical Research Institute, Karaikudi, Tamil Nadu, India.)
L.C. Nehru (Corrosion Science and Engineering Division, Central Electrochemical Research Institute, Karaikudi, Tamil Nadu, India.)
P. Subramanian (Corrosion Science and Engineering Division, Central Electrochemical Research Institute, Karaikudi, Tamil Nadu, India.)
N. Palaniswamy (Corrosion Science and Engineering Division, Central Electrochemical Research Institute, Karaikudi, Tamil Nadu, India.)
N.S. Rengaswamy (Corrosion Science and Engineering Division, Central Electrochemical Research Institute, Karaikudi, Tamil Nadu, India.)

Anti-Corrosion Methods and Materials

ISSN: 0003-5599

Article publication date: 1 October 2001

506

Abstract

Aluminium alloys are being employed very widely as galvanic anodes for cathodic protection. Aluminium‐zinc‐mercury and aluminium‐zinc‐indium are the popular alloys that are used as anodes. In general, the alloying ingredients activate aluminium and maintain uniform dissolution. In the present investigation, the role of addition of gallium in the ternary alloy of aluminium‐zinc‐indium has been studied by making use of polarisation studies, capacity measurements and galvanic current measurements.

Keywords

Citation

Mathiyarasu, J., Nehru, L.C., Subramanian, P., Palaniswamy, N. and Rengaswamy, N.S. (2001), "Synergistic interaction of indium and gallium in the activation of aluminium alloy in aqueous chloride solution", Anti-Corrosion Methods and Materials, Vol. 48 No. 5, pp. 324-329. https://doi.org/10.1108/EUM0000000005884

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MCB UP Ltd

Copyright © 2001, MCB UP Limited

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