Search Constraints

Start Over
Filtering by: Subject Zirconium alloys -- Thermal properties Remove constraint Subject: Zirconium alloys -- Thermal properties Rights Statement Copyright Not Evaluated Remove constraint Rights Statement: Copyright Not Evaluated

Search Results

  • Thermal stability of surface treated zirconium

    Creator:
    Hayes, Troy A.
    Abstract:
    Zirconium press plates have been developed for the production of melamine coated particle board, using shot-peening to achieve the desired plate (and therefore coated particle board) surface texture. Service temperatures of the press plates approach 200°C. This study examined the microstructural effects of extended exposure of shot-peened zirconium to temperatures...
    Resource Type:
    Masters Thesis
    Full Text:
    Thermal stability of surface treated zirconium AN ABSTRACT

  • Factors influencing the crystallization, phase and oxygen vacancy concentration in zirconia

    Creator:
    Karapetrova, Euguenia
    Abstract:
    In order to achieve a better understanding of the processes that occur during formation and sintering of zirconia, various chemical and physical techniques were used. Along with Perturbation Angular Correlation spectroscopy, that allowed us to investigate microscopic properties inside the nanometer-size zirconia grains, such techniques as Scanning Electron Microscopy and...
    Resource Type:
    Masters Thesis
    Full Text:
    impurities that remained in the oxide material. The thermal behavior of amorphous hydrated zirconium oxide

  • Rheological measurements of bulk metallic glass forming alloys above the liquidus temperature

    Creator:
    Shaw, Tyler A.
    Abstract:
    A high temperature high vacuum rheometer has been designed, fabricated, and tested for the study of the steady shear viscosity for multicomponent bulk metallic glass forming alloys. This rheometer has an operating range up to 1525 K, rotational frequencies of 9.4*10⁻³-3.7*10¹ radians/s, and a calibrated viscosity range of 9.6*10⁻³ and...
    Resource Type:
    Dissertation
    Full Text:
    ...................................................................................................2 0-2: Increased interatomic distance with increased thermal energy............. 3 0-3: Two

  • 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:
    high temperature creep properties of this alloy. The origin of these bands was therefore researched

  • Computer simulation of phase transitions in zirconia

    Creator:
    Love, Michael J.
    Abstract:
    Experimental data on the structural phase changes in zirconia are summarized. The computational techniques of molecular dynamics are reviewed and equations of motion are formulated which allow the study of phase changes as a function of temperature and pressure. The molecular dynamics program NPT which was written for this purpose...
    Resource Type:
    Dissertation
    Full Text:
    Computer Simulation of Phase Transitions in Zirconia Chapter 1 Introduction Zirconia (ZrO2, zirconium