Influence of the dissolved oxygen content on corrosion of the ferritic–martensitic steel P92 in supercritical water
Source abstract
Abstract
Abstract The corrosion of the ferritic–martensitic steel P92 exposed to supercritical water at 550 °C under 25 MPa with the dissolved oxygen contents of 100, 300 and 2000 ppb was investigated. The results indicated that the weight gain increased with the dissolved oxygen content. The oxide scale with a typical dual-layered structure including a Fe-rich outer magnetite layer and a Cr-rich inner layer was formed on all samples in spite of different dissolved oxygen. Finally, the possible explanations for the influence of the dissolved oxygen content on the weight gain and exfoliation of oxide scale were given.
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Research context
OpenAlex topics: Subcritical and Supercritical Water Processes · High-Temperature Coating Behaviors · Advanced materials and composites
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References (35)
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