Final Report: Size Scale and Confinement Effects on Metallic Glasses

Abstract

The funded work has investigated the effects of confinement on the flow/fracture behavior of metallic glass. In addition, metallic glass wires in size scales ranging from the micro- to nano-scale have been prepared, followed by tension testing to determine the effects of changes in size scale on plasticity. Confinement effects on the plasticity were investigated by testing bulk metallic glasses under superimposed pressure, while micro-and nano-scale wires were also machined via FIB. Materials were characterized via DSC, SEM, and TEM. Significant effects of confinement and changes in size scale on the plasticity of metallic glasses were observed for the first time.

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Document Details

Document Type
Technical Report
Publication Date
May 19, 2015
Accession Number
AD1057941

Entities

People

  • John J. Lewandowski
  • Jun Yi
  • Wei H. Wang

Organizations

  • Case Western Reserve University

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Electron Beams
  • Engineering
  • Fabrication
  • Glass Transition Temperature
  • Hydrostatic Pressure
  • Ion Beams
  • Materials
  • Materials Science
  • Materials Testing
  • Mechanical Working
  • Mechanics
  • Metallic Glass
  • Plastic Deformation
  • Shear Bands
  • Students
  • Tensile Strength
  • Transitions

Fields of Study

  • Materials science

Readers

  • Mechanical Engineering/Mechanics of Materials.
  • Nanoscale Plasmonic Nanotechnology