Atomic structure evolution of Zr-Ni during severe deformation by HA pair analysis

Yu-Chieh Lo*, J. C. Huang, S. P. Ju, X. H. Du

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

The gradual vitrification evolution of atom mixing and local atomic pairing structure of the binary Zr-Ni alloy during severe deformation at room temperature is traced numerically by molecular dynamic simulation. It is found that the icosahedra clusters will gradually develop with the increasing of disorder environment of alloys. Other compoundlike transition structures were also observed in transient in the Zr-Ni couple during the solid-state amorphization process under severe plastic deformation. Since the time scale of the molecular dynamic simulation is several orders of magnitude shorter than reality, the simulated atomic evolution can be viewed as that would occur at ultrahigh strain rates.

Original languageEnglish
Article number024103
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume76
Issue number2
DOIs
StatePublished - 10 Jul 2007

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