Abstract
The Mössbauer technique has been used to study the oxidation of alloy 1.4306S (SS-304L) at 1200°C exposed in atmospheres of air and steam, for, 1, 6, 24, 100 and 400 hours. By oxidation in air the major products are α-FE2O3, γ-FE2O3, and Fe3O4 while, during oxidation in steam they are δ-FeOOH, γ-Fe2O3 and Fe3O4. A minor phase detected following both kinds of oxidation may be ascribed to MnCrFeO4, Cr2FeO4, δ-FeOOH and γ-FeOOH produced in steam only while the base material is found following air oxidation. The proportion of Fe3O4 on the scale remains constant for all exposure durations in air oxidation, while it becomes constant in steam oxidation only in cases where the entire sample has been oxidized.
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Arshed, M., Siddique, M., Anwar-ul-Islam, M. et al. Study of oxidation of alloy 1.4306S (SS-304L) in air and steam at 1200°C using the Mössbauer technique. J Radioanal Nucl Chem 224, 3–6 (1997). https://doi.org/10.1007/BF02034603
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DOI: https://doi.org/10.1007/BF02034603