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Rate dependence of shear banding and serrated flows in a bulk metallic glass

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Abstract

Using an infrared camera, we observed in situ dynamic shear-banding operations during compression of a bulk metallic glass at various strain rates. We demonstrated that the shear-banding events are highly dependent on strain rates, either intermittent at the lower strain rate or successive at the higher strain rate. Serrated plastic-flow behaviors are a result of shear-banding operations. These observations provide a new insight into inhomogeneous deformation of metallic glasses.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, The University of Tennessee, Knoxville, Tennessee, 37996, USA

    W. H. Jiang, G. J. Fan, F. X. Liu, G. Y. Wang, H. Choo & P. K. Liaw

  2. Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, 37831, USA

    H. Choo

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  1. W. H. Jiang
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  2. G. J. Fan
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  3. F. X. Liu
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  4. G. Y. Wang
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  5. H. Choo
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  6. P. K. Liaw
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Correspondence to W. H. Jiang.

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Jiang, W.H., Fan, G.J., Liu, F.X. et al. Rate dependence of shear banding and serrated flows in a bulk metallic glass. Journal of Materials Research 21, 2164–2167 (2006). https://doi.org/10.1557/jmr.2006.0266

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  • DOI: https://doi.org/10.1557/jmr.2006.0266

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