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

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

Bibliographic Details
Main Author: Deibler, Lisa Anne
Language:English
Published: Case Western Reserve University School of Graduate Studies / OhioLINK 2009
Subjects:
Materials Science
Metallic glass
viscosity
mechanical properties
Online Access:http://rave.ohiolink.edu/etdc/view?acc_num=case1238707832
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spelling ndltd-OhioLink-oai-etd.ohiolink.edu-case12387078322021-08-03T05:33:15Z Effects of Temperature, Stress State, and Strain Rate on Flow and Fracture of Mg Metallic Glass and Viscous Fluids Deibler, Lisa Anne Materials Science Metallic glass viscosity mechanical properties 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 ofdifferent 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. 2009-04-03 English text Case Western Reserve University School of Graduate Studies / OhioLINK http://rave.ohiolink.edu/etdc/view?acc_num=case1238707832 http://rave.ohiolink.edu/etdc/view?acc_num=case1238707832 unrestricted This thesis or dissertation is protected by copyright: all rights reserved. It may not be copied or redistributed beyond the terms of applicable copyright laws.
collection NDLTD
language English
sources NDLTD
topic Materials Science
Metallic glass
viscosity
mechanical properties
spellingShingle Materials Science
Metallic glass
viscosity
mechanical properties
Deibler, Lisa Anne
Effects of Temperature, Stress State, and Strain Rate on Flow and Fracture of Mg Metallic Glass and Viscous Fluids
author Deibler, Lisa Anne
author_facet Deibler, Lisa Anne
author_sort Deibler, Lisa Anne
title Effects of Temperature, Stress State, and Strain Rate on Flow and Fracture of Mg Metallic Glass and Viscous Fluids
title_short Effects of Temperature, Stress State, and Strain Rate on Flow and Fracture of Mg Metallic Glass and Viscous Fluids
title_full Effects of Temperature, Stress State, and Strain Rate on Flow and Fracture of Mg Metallic Glass and Viscous Fluids
title_fullStr Effects of Temperature, Stress State, and Strain Rate on Flow and Fracture of Mg Metallic Glass and Viscous Fluids
title_full_unstemmed Effects of Temperature, Stress State, and Strain Rate on Flow and Fracture of Mg Metallic Glass and Viscous Fluids
title_sort effects of temperature, stress state, and strain rate on flow and fracture of mg metallic glass and viscous fluids
publisher Case Western Reserve University School of Graduate Studies / OhioLINK
publishDate 2009
url http://rave.ohiolink.edu/etdc/view?acc_num=case1238707832
work_keys_str_mv AT deiblerlisaanne effectsoftemperaturestressstateandstrainrateonflowandfractureofmgmetallicglassandviscousfluids
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