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Scanning Auger electron spectroscopy study of the oxide film formed on dendritic and interdendritic regions of C containing Fe3Al intermetallic

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Title Scanning Auger electron spectroscopy study of the oxide film formed on dendritic and interdendritic regions of C containing Fe3Al intermetallic
 
Creator RAO, VSHANKAR
NORELL, M
RAJA, VS
 
Subject aluminum
cast iron
interfaces
microhardness
 
Description The oxide films formed during early stage of oxidation at 800°C on dendritic and interdendritic regions of the cast Fe–16Al–1C (wt.%) alloy were studied using scanning Auger electron spectroscopy. Microhardness measurement and elemental depth profiles by Auger spectroscopy reveal that the carbide, Fe3AlC0.69, is the major constituent of the interdendritic region, while dendrites are predominantly Fe3Al phase. Between the two, the interdendritic region is found to be more prone to oxidation than the dendritic region, which was attributed to presence of carbides with low-Al content. In spite of the difference in oxide film thickness exhibited by both the phases, they consist of an inner aluminium oxide layer and an outer iron oxide layer.
 
Publisher Elsevier
 
Date 2009-04-28T05:26:09Z
2011-12-08T06:42:29Z
2011-12-26T13:01:45Z
2011-12-27T05:46:40Z
2009-04-28T05:26:09Z
2011-12-08T06:42:29Z
2011-12-26T13:01:45Z
2011-12-27T05:46:40Z
2003
 
Type Article
 
Identifier Corrosion Science 45(12), 2717-2728
0010-938X
10.1016/S0010-938X(03)00119-7
http://hdl.handle.net/10054/1265
http://dspace.library.iitb.ac.in/xmlui/handle/10054/1265
 
Language en