Elastostatically induced structural disordering in amorphous alloys

Kyoung Won Park, Chang Myeon Lee, Masato Wakeda, Yoji Shibutani, Michael L. Falk, Jae Chul Lee

Research output: Contribution to journalArticlepeer-review

182 Citations (Scopus)


This study demonstrates that elastostatic compression imposed on amorphous alloys at room temperature induces irreversible structural disordering. The rate of disordering depends on the atomic packing density as determined by the fraction of the material in short-range ordered (SRO) atomic environments. The structural disordering, measured experimentally by differential scanning calorimetry, in turn alters the mechanical properties of the material. A combination of experiments and molecular dynamics simulations are used to explore fundamental issues related to shear-induced disordering during elastostatic compression.

Original languageEnglish
Pages (from-to)5440-5450
Number of pages11
JournalActa Materialia
Issue number19
Publication statusPublished - 2008 Nov


  • Amorphous alloy
  • Atomic packing density
  • Free volume
  • Structural disordering

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Polymers and Plastics
  • Metals and Alloys


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