Corrosion of super-heater steel materials under alkali salt deposits. Part 2: SEM analyses of different steel materials

BJ Skrifvars, M Westen-Karlsson, Mikko Hupa, K Salmenoja

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    Abstract

    This paper is the second in a series of two papers where we report results from laboratory-scale corrosion studies in which tailor-made well-characterized synthetic alkali salt deposits were used for corrosion testing of typical kraft recovery boiler super-heater steel materials.

    The corrosion testing was done in temperatures ranging from 450 to 600 °C. Six different alkali salts and six different steel types were used in the tests.

    In the first paper we reported generally on the corrosion tendencies of the six steels. In this second paper we continue the corrosion behavior mapping of the tested steels.

    Original languageUndefined/Unknown
    Pages (from-to)1011–1019
    Number of pages9
    JournalCorrosion Science
    Volume52
    Issue number3
    DOIs
    Publication statusPublished - 2010
    MoE publication typeA1 Journal article-refereed

    Keywords

    • Alkaline corrosion
    • High-temperature corrosion
    • Lab-scale corrosion measurements
    • Molten salts
    • SEM/EDS analyses

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