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IJCT Vol.14(1) [January 2007] >


Title: Corrosion behaviour of copper in mandapam seawater
Authors: Palraj, S
Venkatachari, G
Keywords: Biofouling
Corrosion
Impedance
Polarization
Copper
Seawater
Issue Date: Jan-2007
Publisher: CSIR
IPC CodeC23F11/00, C23F15/00
Abstract: The corrosion characteristics of copper were investigated in the palk bay waters of the Mandapam coast, India over a period of a year. This work comprises both field exposure as well as laboratory studies. The experimental method included determination of corrosion rate by weight loss measurement and analysis of the corrosion products by x-ray diffraction. The XRD analysis of the products on copper threw more light on the nature of the oxide film formed and their impact on the overall corrosion rate/bio fouling of the material. The effect of biofilm on corrosion behaviour of copper was investigated by Tafel polarization and impedance techniques. The annual (oct’96-sep’97) corrosion rate of copper was 0.045 mmpy with no fouling.
Page(s): 29-33
ISSN: 0971–457X
Source:IJCT Vol.14(1) [January 2007]

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