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  • 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:
    Mechanical properties of Nb-Ti composite superconducting

  • Three-dimensional, nonlinear viscoelastic analysis of laminated composites : a finite element approach

    Creator:
    Wang, Min
    Abstract:
    Polymeric composites exhibit time-dependent behavior, which raises a concern about their long term durability and leads to a viscoelastic study of these materials. Linear viscoelastic analysis has been found to be inadequate because many polymers exhibit nonlinear viscoelastic behavior. Classical laminate theory is commonly used in the study of laminated...
    Resource Type:
    Dissertation
    Full Text:
    Doctor of Philosophy in Mechanical Engineering presented on June 1 1993. Title: Three-Dimensional

  • The effects of thermal processing on the mechanical properties of AA2024, 2014 and 2618 aluminum alloys

    Creator:
    Li, Xiao, 1963-
    Abstract:
    This study determined the independent effects of various homogenization cycles and precipitation treatments on the elevated temperature workability and the final ambient temperature mechanical properties of AA2024 aluminum alloy and on the T3 tensile properties of 2014 aluminum alloy as well as T6 tensile properties of 2618 and 2618 (Curich)...
    Resource Type:
    Masters Thesis
    Full Text:
    The Effects of Thermal Processing on the Mechanical

  • A simplified dynamic model of the hind leg of a beetle during step initiation

    Creator:
    Mallysetty, Venkata Ramana
    Abstract:
    This thesis investigates a simple dynamic model of the hind leg of a beetle during initiation of a step. The primary assumption was that the full load of the body was carried on the hind leg during this time. That is, the only forces on the body were that of...
    Resource Type:
    Masters Thesis
    Full Text:
    of Science in Mechanical Engineering presented on Feb 18, 1992. Title: A Simplified Dynamic Model

  • 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:
    in Mechanical EngineerinF, presented on January 21,1992. Title: Microstructural Banding in

  • Quantification of total and plastic 3D strain fields within micro-damaged polyurethane foam

    Creator:
    Sutton, Matthew T.
    Abstract:
    Local material damage that occurs within cellular solids, such as polymer foams and trabecular bone, and precedes local fractures of the cell struts or walls is called micro-damage. The accumulation of micro-damage within cellular solids is often undesirable, although it is thought to be vital to the development and health...
    Resource Type:
    Masters Thesis
    Full Text:
    continuum-level 4 mechanical property degradation. However, measurements of continuum-level property