Shear band formation and ductility in bulk metallic glass

A. V. Sergueeva, N. A. Mara, J. D. Kuntz, E. J. Lavernia, A. K. Mukherjee

Research output: Contribution to journalArticlepeer-review

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The variations in the chemical compositions of the metallic glasses reported in the literature, as well as the overall lack of experimental data concerning the inhomogeneous deformation behaviour of metallic glass, make the evaluation of the effects of shear band/fracture behaviour on the mechanical properties of metallic glasses difficult. Isolating the effect of local shear band formation on bulk inhomogeneous flow would appear to be a first step in approaching this problem. The mechanical behaviour of Vitreloy metallic glass at room temperature and at various strain rates in tension and compression was investigated. The formation of multiple shear bands was observed at high strain rates. An increase in strain rate leads to enhanced ductility in tension and compression. Some aspects of the deformation processes in tension and compression are discussed.

Original languageEnglish (US)
Pages (from-to)2671-2687
Number of pages17
JournalPhilosophical Magazine
Issue number23
StatePublished - Aug 11 2005

Bibliographical note

Funding Information:
The authors would like to acknowledge the Office for Naval Research for financial support under ONR grant N00014-03-1-0149.

Copyright 2008 Elsevier B.V., All rights reserved.


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