Characterization of free volume changes associated with shear band formation in Zr- and Cu-based bulk metallic glasses

@inproceedings{Kanungo2004CharacterizationOF,
  title={Characterization of free volume changes associated with shear band formation in Zr- and Cu-based bulk metallic glasses},
  author={Biraja Prasad Kanungo and Stephen Clarke Glade and Palakkal Asoka-Kumar and Katharine Flores},
  year={2004}
}
The free volume model for flow in metallic glasses predicts a significant increase in free volume at the onset of plastic deformation. The details of these structural changes are unclear, however, particularly during strain localization in shear bands. In this study, the free volume changes associated with inhomogeneous plastic deformation of a Cu-based bulk metallic glass were examined using positron annihilation spectroscopy (PAS). PAS results indicated that there was a distribution of free… CONTINUE READING

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