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Compressive properties of bulk metallic glass with small aspect ratio

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Abstract

The quasi-static compressive deformation behavior of a Vitreloy 1 bulk metallic glass (BMG) with an aspect ratio of 0.25 was investigated. It is found that the friction and the confinement at the specimen–loading platen interface will cause the dramatic increase in the compressive load, leading to higher compressive strength. In particular, the BMG specimens show great plastic-deformation ability, and plenty of interacted, deflected, wavy, or branched shear bands were observed on the surfaces after plastic deformation. The formation of the strongly interacted, deflected, wavy, or branched shear bands can be attributed to the triaxial stress state in the glassy specimens with a very small aspect ratio.

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Authors and Affiliations

  1. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, China

    F. F. Wu, Z. F. Zhang & S. X. Mao

  2. Department of Mechanical Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania, 15261, USA

    S. X. Mao

Authors
  1. F. F. Wu
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  2. Z. F. Zhang
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  3. S. X. Mao
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Correspondence to Z. F. Zhang.

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Wu, F.F., Zhang, Z.F. & Mao, S.X. Compressive properties of bulk metallic glass with small aspect ratio. Journal of Materials Research 22, 501–507 (2007). https://doi.org/10.1557/jmr.2007.0064

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  • DOI: https://doi.org/10.1557/jmr.2007.0064

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