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  • Corrosion Resistance of Alloys in Seawater and Supercritical Carbon Dioxide Environments

    Creator:
    Repukaiti, Reyixiati
    Abstract:
    The corrosion resistances of several alloys were investigated to optimize performance and cost in seawater and supercritical CO2 environments. Many alloys are prone to corrosion in seawater and/or supercritical CO2 containing impurity environments. Exposure and electrochemical experiments were conducted in both environments to evaluate alloys’ corrosion resistance. In seawater corrosion...
    Resource Type:
    Masters Thesis
    Full Text:
    . Ömer Doğan, and Dr. Margaret Ziomek- Moroz for their advice and guidance on these two projects

  • Corrosion of Carbon and Stainless Steels in H₂O-sCO₂ Environments for Power Cycle Applications

    Creator:
    Teeter, Lucas
    Abstract:
    The corrosion behaviors of carbon and stainless steels were investigated in supercritical CO₂ (sCO₂ ) containing H₂O and O₂ simulating conditions that exist in direct sCO₂ power cycle heat exchangers. Thermodynamic properties of CO₂-H₂O-O₂ systems related to the corrosion phenomena were determined using NIST software. The exposure tests of the...
    Resource Type:
    Masters Thesis
    Full Text:
    to his advisors Prof. Julie Tucker, Dr. Margaret Ziomeck-Moroz, and Dr. Ömer Doğan for their

  • Corrosion Resistance of Alloys in Direct-Fired Supercritical CO₂ Power Cycle Aqueous Environments

    Creator:
    Repukaiti, Reyixiati
    Abstract:
    Using supercritical CO₂ (sCO₂) as a working fluid has increasingly gained attention in the energy industry. sCO₂ power cycles has various advantages, such as high cycle efficiency, compact turbomachinery, and potential zero CO₂ emission. Along with these benefits, materials degradation issues have also been emphasized in the last decade. Aqueous...
    Resource Type:
    Dissertation
    Full Text:
    . CONTRIBUTION OF AUTHORS Dr. Julie Tucker, Dr. Omer Dogan, Dr. Margaret Ziomek-Moroz, Dr. Lucas Teeter