An atomistic study of the structural changes in a Zr–Cu–Ni–Al glass-forming liquid on vitrification monitored in-situ by X-ray diffraction and molecular dynamics simulation

D. V. Louzguine-Luzgin, K. Georgarakis, J. Andrieux, L. Hennet, T. Morishita, K. Nishio, R. V. Belosludov

Research output: Contribution to journalArticlepeer-review

Abstract

Structural changes in the Zr55Cu30Ni5Al10 liquid alloy on cooling from above the equilibrium liquidus temperature are studied by synchrotron radiation X-ray diffraction and compared with the results of first-principles molecular dynamics simulation. In-situ vitrification of the studied alloy is achieved using a containerless levitation technique. Subsequent analysis of the atomic and electronic structure of the alloy in liquid and glassy states reveals formation of medium-range order on cooling and its relationship with liquid fragility. The structural changes in this alloy are smaller in comparison with a more fragile one.

Original languageEnglish
Article number106795
JournalIntermetallics
Volume122
DOIs
Publication statusPublished - 2020 Jul

Keywords

  • Fragility
  • Liquid
  • Metallic glass
  • Structure
  • Synchrotron radiation
  • X-ray diffraction

ASJC Scopus subject areas

  • Chemistry(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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