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Filtering by: Advisor Tucker, Julie Remove constraint Advisor: Tucker, Julie Committee Member Santala, Melissa Remove constraint Committee Member: Santala, Melissa Degree Field Materials Science Remove constraint Degree Field: Materials Science

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  • Investigation of Thermal Degradation in Structural Alloys for Nuclear Power Systems

    Creator:
    Teng, Fei
    Abstract:
    The thermal degradation of structural materials is considered to be a key factor for evaluating the lifetime of current nuclear power plants. Ni-based and Fe-based alloys, such as 690, 625, 304, and 316, are widely used in nuclear industry as structural components due to the extraordinary corrosion resistance and mechanical...
    Resource Type:
    Dissertation
    Full Text:
    approved: ______________________________________________________ Julie D. Tucker The thermal

  • Role of Stoichiometry on Ordering in Ni-Cr Alloys

    Creator:
    Teng, Fei
    Abstract:
    Mechanical property degradation due to isothermal ageing is of potential concern for alloys based on the Ni-Cr binary system (e.g., Inconel 690, 625), particularly in nuclear power applications where component lifetimes can exceed 40 years. In the present research, the disorder-order phase transformation, which is the primary mechanism of ageing,...
    Resource Type:
    Masters Thesis
    Full Text:
    : Role of Stoichiometry on Ordering in Ni-Cr Alloys Abstract approved: Julie D. Tucker

  • Characterization and Development of Ni-based Superalloys for Supercritical Carbon Dioxide Applications

    Creator:
    Adam, Benjamin M.
    Abstract:
    The advent of supercritical CO2 as a new heat-exchange medium has seen strong interest from the power industry and the energy research field recently. It is advan- tageous in comparison with other heat-exchange cycles, as it can be operated safely at much higher temperatures and pressures, thus increasing the thermal...
    Resource Type:
    Dissertation
    Full Text:
    approved: Julie D. Tucker The advent of supercritical CO2 as a new heat-exchange medium has seen strong

  • Role of Alloying on the Thermal Stability of Duplex Stainless Steel

    Creator:
    Garfinkel, David
    Abstract:
    Duplex stainless steels (DSS) are an attractive potential material in nuclear power generation systems due to an excellent combination of corrosion resistance, strength, toughness, and affordability. Thermal embrittlement caused by phase instability in the temperature range of ~300-550°C severely limits the service temperature of DSS. The rate of embrittlement varies...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ Julie D. Tucker Duplex stainless steels (DSS) are an attractive potential material in