The corrosion behaviour of ceramic materials in caustic alkaline solutions at high temperature

Tsugio Sato, Shigeki Sato, Akitsugu Okuwaki

    Research output: Contribution to journalArticlepeer-review

    10 Citations (Scopus)

    Abstract

    Weight loss and changes in the crystalline phase, microstructure and fracture strength for MgO, MgAl2O4, Al2O3, MgO-doped partially stabilized zirconia (Mg-SZ), Y2O3-doped tetragonal zirconia polycrystals (Y-TZP), CeO2-doped tetragonal zirconia polycrystals (Ce-TZP), Si3N4 and SiC ceramics were investigated in 5-25 mol kg-1 H2O NaOH solutions at 150-300°C. SiC and Ce-TZP exhibited excellent resistance to the corrosion in NaOH solutions. The relative corrosion resistances of those ceramic materials in NaOH solutions are SiC > Ce-TZP > Y-TZP sintered at low temperature > Mg-PSZ > Si3N4 > Al2O3 > MgAl2O4 > MgO.

    Original languageEnglish
    Pages (from-to)591-595
    Number of pages5
    JournalCorrosion Science
    Volume33
    Issue number4
    DOIs
    Publication statusPublished - 1992 Jan 1

    ASJC Scopus subject areas

    • Chemistry(all)
    • Chemical Engineering(all)
    • Materials Science(all)

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