Oxidation kinetics of Y-doped FeCrAl-all
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D. J. Young; D. Naumenko; L. Niewolak; E. Wessel; L. Singheiser; W. J. Quadakker
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Article
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2010
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John Wiley and Sons
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German
β 492 KB
A model Fe-20Cr-5Al-0.05Y alloy was oxidized in Ar-20%O 2 and Ar-4%H 2 -7%H 2 O at 1200-1300 8C. Two-stage oxidation experiments using oxygen isotope tracers showed that inward oxygen diffusion was predominant in both gases, but more isotope exchange was observed in the H 2 /H 2 O gas reaction. The