Cation redistribution in oxides under oxygen potential gradients: Influence on the corrosion kinetics
作者： G Petot-Ervas , C Petot , D Monceau , M Loudjani
DOI: 10.1016/0167-2738(92)90390-B
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摘要: Abstract A formal analysis is given of the kinetic demixing effects in multicomponent semiconducting oxides within their range stability. We have shown that relative diffusion coefficient values cationic species control shift velocity oxidation or reduction front material. Calculated profiles are for (Co, Mg)O and (Fe, Cr)O solid solutions. From theoretical experimental results obtained it has been possible to analyse behavior chromium oxide layers formed on transition metal alloys independently all other transport processes occuring during scale thickening.
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