First principle study for the melting properties of face-centred-cubic aluminum

Lin Zhou, Qing Ming Zhang*, Guang Fu Ji, Zi Zheng Gong

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Ab initio electronic structure optimization and total energy calculations for fcc aluminum are used to study the equation of state (EOS).Through fitting to quasi-harmonic Debye model, the thermodynamics properties of different temperatures are calculated. The melting curve at different pressures is presented based on Lindemann measures. The results show that the calculated EOS and the revised melting curve both are in a good agreement with the shock compression and the diamond-anvil-cell (DAC) data. The results illustrate that we can use simple static calculation method which takes less time to gain reasonable melting results. It can be used in the qualitative forecast for materials with difficult experiments.

Original languageEnglish
Title of host publicationAdvances in Engineering Plasticity XI
PublisherTrans Tech Publications Ltd.
Pages342-345
Number of pages4
ISBN (Print)9783037855485
DOIs
Publication statusPublished - 2013
Event11th Asia-Pacific Conference on Engineering Plasticity and Its Applications, AEPA 2012 - Singapore, Singapore
Duration: 5 Dec 20127 Dec 2012

Publication series

NameKey Engineering Materials
Volume535-536
ISSN (Print)1013-9826
ISSN (Electronic)1662-9795

Conference

Conference11th Asia-Pacific Conference on Engineering Plasticity and Its Applications, AEPA 2012
Country/TerritorySingapore
CitySingapore
Period5/12/127/12/12

Keywords

  • Face-centred-cubic aluminum
  • First principle
  • Lindeman equation
  • Melting curve
  • Quasi-harmonic debye model
  • Thermodynamic

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