Mohanan, S. and Maruthamuthu, S. and Venkatachari, G. and Palaniswamy, N. and Raghavan, M.
(2004)
Corrosion inhibition by freshwater biofilm on 316 stainless steel.
Bulletin of Electrochemistry , 20 (3).
pp. 129-132.
ISSN 0256-1654
Abstract
Studies on corrosion and microfouling on 316-stainless steel were carried out in natural pond water. The
effect of freshwater biofilm on corrosion of 316 stainless steel in natural e~zvironment has been found out
by various methods like potential measurement, polarization and impedance measurements for an erposure
period of 100 days. Fresh water biofilm was able to ennoble the corrosion potential of 316 stainless steel.
Less corrosion current and high resistance values were observed for 316 stainless steel in presence of
pond water biofilm. The broad phase angle obtained from impedance measurements indicates the presence
of intact passive film on 316- stainless steel in the presence of natural biofilm.
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