Enhancing plasticity of Zr46.75 Ti8.25 Cu 7.5 Ni10 Be27.5 bulk metallic glass by precompression

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Article number71906
Journal / PublicationApplied Physics Letters
Volume95
Issue number7
Publication statusPublished - 2009

Abstract

Precompression treatments on Zr46.75 Ti8.25 Cu 7.5 Ni10 Be27.5 bulk metallic glass rods with tapered ends induced controllable stress distributions and resulted in residual stress accompanied with a few tiny shear bands after unloading. The built-in stress state increased macroscopic plasticity dramatically and produced predictable distributions of shear bands in the cylindrical samples cut from the taper-ended samples. The macroscopic plasticity was interpreted in terms of the competition among different types of shear bands. © 2009 American Institute of Physics.