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Oxidation of Fe-xCr-10Al (x=0, 5, 10) Alloys at 900 ℃: A Novel Example of the Third Element Effect |
ZHANG Zhigang; P.Y. Hou; NIU Yan |
State Key Laboratory for Corrosion and Protection; Institute of Metal Research; The Chinese Academy of Sciences; Shenyang 110016 |
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Cite this article:
ZHANG Zhigang; P.Y. Hou; NIU Yan. Oxidation of Fe-xCr-10Al (x=0, 5, 10) Alloys at 900 ℃: A Novel Example of the Third Element Effect. Acta Metall Sin, 2005, 41(6): 649-654 .
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Abstract The critical Al content for the selective formation of
alumina scales on Fe-Al alloys has been analyzed by investigating
the oxidation behavior of binary Fe-10Al and ternary
Fe-5Cr-10Al and Fe-10Cr-10Al alloys (atomic fraction, %).
A possible interpretation of the effect of
the third-element Cr in Fe-xCr-10Al on
promoting Al2O3 scale formation not involving a transition
from the internal to external oxidation of Al is briefly presented.
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Received: 25 November 2004
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