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Effects of Temperature, Stress State, and Strain Rate on Flow and Fracture of Mg Metallic Glass and Viscous Fluids

Deibler, Lisa Anne
http://rave.ohiolink.edu/etdc/view?acc_num=case1238707832

Abstract Details

2009, Master of Sciences (Engineering), Case Western Reserve University, Materials Science and Engineering.
The purpose of this study is to examine how changes in viscosity affect the fracturesurface observations on a model test system, and to apply the knowledge gained to the tensile properties of amorphous Mg85Cu5Ca10 ribbons. Experiments were first conducted on tensile samples of varying geometries constructed to contain liquids of different viscosity that were tested at three temperatures. The observed fracture surfaces of these viscous materials were quantitatively examined to provide a comparison with metallic glass fracture surfaces. Metallic glass ribbons were subsequently tested in tension at various temperatures up to and beyond the glass transition temperature and examined via scanning electron microscopy. The different viscosities produced via changes in test temperature and or initial liquid viscosity affected both flow behavior and fracture appearance. The results will be discussed in the light of the various models for flow and fracture in such systems.
John Lewandowski, PhD (Committee Chair)
Gary Michal, PhD (Committee Member)
David Schwam, PhD (Committee Member)
71 p.
Materials Science
Metallic glass; viscosity; mechanical properties

Recommended Citations

Citations

  • Deibler, L. A. (2009). Effects of Temperature, Stress State, and Strain Rate on Flow and Fracture of Mg Metallic Glass and Viscous Fluids [Master's thesis, Case Western Reserve University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=case1238707832

    APA Style (7th edition)

  • Deibler, Lisa. Effects of Temperature, Stress State, and Strain Rate on Flow and Fracture of Mg Metallic Glass and Viscous Fluids. 2009. Case Western Reserve University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=case1238707832.

    MLA Style (8th edition)

  • Deibler, Lisa. "Effects of Temperature, Stress State, and Strain Rate on Flow and Fracture of Mg Metallic Glass and Viscous Fluids." Master's thesis, Case Western Reserve University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=case1238707832

    Chicago Manual of Style (17th edition)

case1238707832
1,038
© 2009, all rights reserved.
This open access ETD is published by Case Western Reserve University School of Graduate Studies and OhioLINK.