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Role of microstructure on corrosion of duplex stainless steel in presence of bacterial activity

DSpace at IIT Bombay

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Title Role of microstructure on corrosion of duplex stainless steel in presence of bacterial activity
 
Creator ANTONY, PJ
RAMAN, RKS
RAMAN, R
KUMAR, P
 
Subject sulfate-reducing bacteria
alloys
passivity
seawater
behavior
water
duplex stainless steel
srb
microstructure
 
Description This paper presents the results on microbiologically influenced corrosion (MIC) of UNS 531803 duplex stainless steel (DSS) in as-received, thermally aged and welded conditions in 3.5% NaCl-based medium containing bacteria. Crevice corrosion was noticed underneath the biofilm. For as-received DSS, the corrosion was generally limited to the austenite phase, whereas in thermally aged condition a uniform dissolution of the matrix was noticed and the secondary phases were remained as skeleton. Detachment of intragranular austenite was observed in the heat affected zone (HAZ) of the weldment. The MIC behavior was found to be influenced by the microstructural changes which occurred due to the thermal treatments. (C) 2009
 
Publisher PERGAMON-ELSEVIER SCIENCE LTD
 
Date 2011-08-26T08:53:28Z
2011-12-26T12:57:22Z
2011-12-27T05:47:30Z
2011-08-26T08:53:28Z
2011-12-26T12:57:22Z
2011-12-27T05:47:30Z
2010
 
Type Article
 
Identifier CORROSION SCIENCE, 52(4), 1404-1412
0010-938X
http://dx.doi.org/10.1016/j.corsci.2009.12.003
http://dspace.library.iitb.ac.in/xmlui/handle/10054/11256
http://hdl.handle.net/10054/11256
 
Language en