Estimation of kinetic parameters of the corrosion layer constituents on steels in supercritical water coolant conditions

Sami Penttilä (Corresponding Author), I. Betova, M. Bojinov, Petri Kinnunen, Aki Toivonen

    Research output: Contribution to journalArticleScientificpeer-review

    22 Citations (Scopus)

    Abstract

    A model for the distribution of individual metallic constituents (Fe, Cr, Ni, Mn) in the corrosion layers on steels in supercritical water is proposed. A detailed description of the model concept and the calculation procedure is given. To verify and validate the model, its predictions are quantitatively compared to depth profiles of the oxides on ferritic–martensitic and austenitic steels as estimated by surface analytical techniques. Estimates of kinetic and transport parameters of the oxidation process for ferritic–martensitic and austenitic stainless steels in supercritical water are obtained. Predictive calculations of the growth kinetics of the respective oxides are presented and discussed.
    Original languageEnglish
    Pages (from-to)4193-4203
    Number of pages11
    JournalCorrosion Science
    Volume53
    Issue number12
    DOIs
    Publication statusPublished - 2011
    MoE publication typeA1 Journal article-refereed

    Keywords

    • Stainless steel
    • modelling studies
    • high temperature corrosion

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