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Biofouling and microbially influenced corrosion of stainless steels

Natarajan, KA (2013) Biofouling and microbially influenced corrosion of stainless steels. In: Stainless Steel Centenary Symposium (SSCS 2013), AUG 12-14, 2013, Mumbai, INDIA, pp. 539-551.

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Official URL: http://dx.doi.org/10.4028/www.scientific.net/AMR.7...

Abstract

Stainless steels are among the most investigated materials on biofouling and microbially-influenced corrosion (MIC). Although, generally corrosion-resistant owing to tenacious and passive surface film due to chromium, stainless steels are susceptible to extensive biofouling in subsoil, fresh water and sea water and chemical process environments. Biofilms influence their corrosion behavior due to corrosion potential ennoblement and sub-surface pitting. Both aerobic and anaerobic microorganisms catalyse microbial corrosion of stainless steels through biotic and abiotic mechanisms. MIC of stainless steels is common adjacent to welds at the heat-affected zone. Both austenite and delta ferrite phases may be susceptible. Even super stainless steels are found to be amenable to biofouling and MIC. Microbiological, electrochemical as well as physicochemical aspects of MIC pertaining to stainless steels in different environments are analyzed.

Item Type: Conference Proceedings
Additional Information: copyright for this article belongs to TRANS TECH PUBLICATIONS LTD, LAUBLSRUTISTR 24, CH-8717 STAFA-ZURICH, SWITZERLAND
Keywords: Biofouling; microbially influenced corrosion; stainless steels; bacteria
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Id for Latest eprints
Date Deposited: 27 Jun 2014 05:41
Last Modified: 27 Jun 2014 05:41
URI: http://eprints.iisc.ac.in/id/eprint/49391

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