DSpace
 

DSpace at IIT Bombay >
IITB Publications >
Article >

Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/9888

Title: Effect of aluminium on electrochemical corrosion behaviour of Fe-0-5Cand Fe-1Calloys in 0.25M H2SO4
Authors: RAO, VS
RAJA, VS
BALIGIDAD, RG
RAMAN, R
Keywords: term oxidation behavior
fe-al alloys
iron aluminides
sulfuric-acid
fe3al
carbon
xps
Issue Date: 2003
Publisher: MANEY PUBLISHING
Citation: CORROSION ENGINEERING SCIENCE AND TECHNOLOGY, 38(3), 235-238
Abstract: Electroslag remelted iron-aluminium alloys, with carbon contents of 0.5 and 1 wt-%, were used to investigate the effect of Al on the electrochemical corrosion behaviour in 0.25 M sulphuric acid solution. The alloy compositions were (wt-%): (I) Fe-16Al-0.5C, (2) Fe-10Al-0.5C, (3) Fe-8Al-0.5C, (4) Fe-16Al-1C, (5) Fe-10Al-1C, and (6) Fe-8Al-1C Lowering the Al content of the alloys resulted in a deterioration of the passivation behaviour during potentiodynamic polarisation testing. This deterioration vas attributed to the reduced Al content of the matrix phase on lowering the Al content of the alloy. Examination of the polarised surfaces via SEM revealed that in high Al content alloys carbides are preferentially attacked, while in low Al content allo, vs the attack is more general. Alloys with a carbon content of 1 wt-% displayed somewhat inferior passivation tendencies compared with those of alloys containing 0.5 wt-% carbon.
URI: http://dx.doi.org/10.1179/147842203770226988
http://dspace.library.iitb.ac.in/xmlui/handle/10054/9888
http://hdl.handle.net/10054/9888
ISSN: 1478-422X
Appears in Collections:Article

Files in This Item:

There are no files associated with this item.

View Statistics

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

 

Valid XHTML 1.0! DSpace Software Copyright © 2002-2010  Duraspace - Feedback