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  • Dwell time low cycle fatigue in Ti-6242Si

    Creator:
    Faber, Robyn O.
    Abstract:
    Dwell time low cycle fatigue (DLCF), low cycle fatigue (LCF), and creep tests were performed at ambient temperature on Ti-6Al-2Sn-4Zr-2Mo-0.1Si (Ti-6242Si). Test specimens were solution annealed at various temperatures below the beta transus to control the volume fraction of primary alpha. The influence of the changes in primary alpha phase...
    Resource Type:
    Masters Thesis
    Full Text:
    on the titanium alloy IMI 685 or Ti-6-4, but the most recent works cite results of tests using a

  • The effect of primary alpha, nickel, and chromium on the creep properties of Ti 6242Si

    Creator:
    Thiehsen, Kurt
    Resource Type:
    Masters Thesis
    Full Text:
    high temperature aircraft engine components, the titanium alloy Ti 6A1- 2Sn-4Zr-2Mo-0.1Si is classified

  • Microstructural banding in thermally and mechanically processed titanium 6242

    Creator:
    Kansal, Utkarsh
    Abstract:
    Ti-6Al-2Sn-4Zr-2Mo-0.1Si specimens were shaped by repeated cycles of heating (to 954 °C) and hammer or press forging followed by a solution anneal that varied from 968 to 998 °C. The coupons were originally extracted from billets forged below the beta trans us ( 1009 °C) and slow cooled to ambient...
    Resource Type:
    Masters Thesis
    Full Text:
    observed as reported in some other 043 titanium alloy investigations. 4. It appears that the observed

  • Characterization of TiNbHf alloys for potential medical dental applications

    Creator:
    Amick, Darryl D.
    Abstract:
    A series of TiNbHf alloys ranging from 0-40 atomic % Nb and 0-15 atomic % Hf were evaluated to investigate low-elastic modulus phenomena which occur in this ternary system. The desirability of utilizing corrosion-resistant, biocompatible alloys with elastic modulus values approaching that of human bone for medical prosthetic implants provides...
    Resource Type:
    Masters Thesis
    Full Text:
    .2 These elements are niobium, tantalum, titanium, zirconium, and platinum. A new alloy, Til3Zr13Nb

  • An experimental flow model of a centifugal casting system

    Creator:
    Sewell, Janet M.
    Abstract:
    Centrifugal casting has been a successful technique for quickly filling molds, but little is understood about the fluid flow characteristics that occur during filling. The understanding of these flow characteristics and the application of this knowledge should improve the quality of metal parts cast by this process. The subject of...
    Resource Type:
    Masters Thesis
    Full Text:
    by fluid mechanics. 4 The Fluid Mechanics Problem For some metals such as titanium alloys, the

  • Mechanical properties of Nb-Ti composite superconducting wires

    Creator:
    Liu, He
    Abstract:
    Mechanical properties of Nb-Ti composite superconducting wires were tested at room temperature. The results were analysed using simple composite theory, the rule of mixtures. The objective is to predict the mechanical properties of Nb-Ti superconducting composite wires as a function of volume ratio and geometry of the components, the composite...
    Resource Type:
    Masters Thesis
    Full Text:
    . The two primary commercial materials are niobium based superconductors; Nb-Ti, an alloy, and Nb3Sn