Effect of thermo-mechanical processing on oxidation of austenitic stainless steel 316L in supercritical water

Majid Nezakat (Corresponding Author), Hamed Akhiani, Sami Penttilä, Seyed Morteza Sabet, Jerzy Szpunar

    Research output: Contribution to journalArticleScientificpeer-review

    42 Citations (Scopus)

    Abstract

    Oxidation resistance of thermo-mechanical processed stainless steel 316L was studied. The samples were oxidized in supercritical water with 150 ppb inlet-dissolved O2 at 600 °C and 25 MPa. Results show that the proposed thermo-mechanical processing improved the oxidation resistance by altering the microstructure of stainless steel 316L. It was observed that grain boundaries volume fraction and crystallographic orientation of austenite grains play an important role in oxidation resistance of the material. In addition, oxide exfoliation was completely prevented by applying 50% or more rolling reduction during the thermo-mechanical processing.
    Original languageEnglish
    Pages (from-to)197-206
    JournalCorrosion Science
    Volume94
    DOIs
    Publication statusPublished - 2015
    MoE publication typeA1 Journal article-refereed

    Keywords

    • stainless steel
    • SEM
    • XRD
    • oxidation

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