The effects of boron additions on the oxidation of Fe-Cr alloys in 
high-temperature steam: Analytical results and mechanisms

Rowley, P. N.; Brydson, R.; Little, J.; Saunders , S. R. J.; Sauer, Hermann; Engel, Wilfried

doi:10.1007/BF00664709

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The effects of boron additions on the oxidation of Fe-Cr alloys in high-temperature steam: Analytical results and mechanisms

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Sauer, Hermann
Fritz Haber Institute, Max Planck Society;

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Engel, Wilfried
Fritz Haber Institute, Max Planck Society;

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Citation

Rowley, P. N., Brydson, R., Little, J., Saunders, S. R. J., Sauer, H., & Engel, W. (1991). The effects of boron additions on the oxidation of Fe-Cr alloys in high-temperature steam: Analytical results and mechanisms. Oxidation of Metals, 35(5/6), 375-395. doi:10.1007/BF00664709.

Cite as: https://hdl.handle.net/21.11116/0000-0009-5A02-0

Abstract

The oxide films formed on iron-chromium alloys in superheated steam have been investigated using a variety of microanalytical techniques, most notably electron energy loss spectroscopy. The addition of boron dopants leads to the rapid formation of a microcrystalline film of composition (Cr)_xB_1-x)
₂O₃, which resists further oxidation. Analysis of the near-edge structures associated with each core-loss edge after different oxidation times allows us to postulate various mechanisms for the observed behavior.