Sluggish dynamics of homogeneous flow in high-entropy metallic glasses

L. T. Zhang, Y. J. Wang, E. Pineda, H. Kato, Y. Yang, J. C. Qiao

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

A comparative study of high-entropy metallic glasses and their reference counterparts was conducted via mechanical relaxation behavior and high-temperature deformation. We show that the high-entropy metallic glasses possess a relatively more homogeneous structure, which generates smaller activation volumes and sluggish free volume evolution during high-temperature deformation. A spectrum analysis that allows to delineate the deformation details of high-entropy metallic glasses were constructed. The core finding sheds important light on the structural heterogeneity and sluggish dynamics and provides an essential piece for understanding the deformation mechanism of high-entropy metallic glasses.

Original languageEnglish
Article number114673
JournalScripta Materialia
Volume214
DOIs
Publication statusPublished - 2022 Jun

Keywords

  • Creep
  • Free volume
  • High-entropy metallic glass
  • Mechanical relaxation

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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