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Free volume formation in amorphous alloys: A molecular dynamic study

  • Chang Myeon Lee
  • , Kyoung Won Park
  • , Byeong Joo Lee
  • , Jae Hyeok Shim
  • , Jae Hoon Lee
  • , Jae Chul Lee*
  • *Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    Abstract

    This study examined the creation mechanism of free volume during homogeneous deformation induced by the elastostatic compression at room temperature. Experiments demonstrated that amorphous alloys subjected to the elastostatic compression underwent structural disordering, during which densely packed polyhedra breakdown to form new, loosely packed ones, resulting in the creation of excess free volume. A combination of experiments and molecular dynamics simulations are used to explore fundamental issues on how free volume is created during elastostatic compression.

    Original languageEnglish
    Pages (from-to)701-707
    Number of pages7
    JournalJournal of Korean Institute of Metals and Materials
    Volume46
    Issue number11
    Publication statusPublished - 2008 Nov

    Keywords

    • Amorphous alloys
    • Free volume
    • Molecular dynamics
    • Structure disorder

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Modelling and Simulation
    • Surfaces, Coatings and Films
    • Metals and Alloys

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