Applied Physics A

, Volume 91, Issue 2, pp 281–285 | Cite as

Multiple shear banding in a computational amorphous alloy model

Article

Abstract

The strain localized phenomenon, so called shear bands (SBs), in an amorphous alloy have received a lot of attention in recent years. In this study, we microscopically investigated the nature and dynamics of multiple SBs using molecular dynamics model. In the SB region, intense shear-induced structural change occurred, typified by the annihilation of pentagonal short-range order, and significant localized heating accompanied with the SB propagation was observed. Moreover, a large number of fine SBs operated simultaneously at a high strain rate, whereas, only a few SBs appeared and propagated abruptly at a low strain rate. These results were discussed with respect to brittle/ductile deformation of bulk metallic glasses.

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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  1. 1.Department of Mechanical Engineering, Graduate School of EngineeringOsaka UniversityOsakaJapan
  2. 2.Center of Atomic and Molecular Technologies, Graduate School of EngineeringOsaka UniversityOsakaJapan
  3. 3.Department of Mechanical Science and Bioengineering, Graduate School of Engineering ScienceOsaka UniversityOsakaJapan
  4. 4.POSCO, Technical Research LaboratoriesPohangKorea

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