Oxidation kinetics of chromium and morphological phenomena

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Polman, E.A. and Fransen, T. and Gellings, P.J. (1989) Oxidation kinetics of chromium and morphological phenomena. Oxidation of metals, 32 (5-6). pp. 433-447. ISSN 0030-770X

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Abstract:The oxidation kinetics of chromium at 900°C are independent of the oxygen partial pressure. Although this observation gives evidence for a defect mechanism where chromium interstitials account for the chromium transport in the oxide scale, the experimental phenomena do not support one single model. The occurrence of oxide whiskers and oxide ridges are explained by the energy of activation for the breakup of the oxidant molecule. Large oxide pegs are formed at metal multiple-grain junctions after scale breakdown.
Item Type:Article
Copyright:© 1989 Springer
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/60338
Official URL:http://dx.doi.org/10.1007/BF00665448
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Metis ID: 222442