Thermodynamic and kinetic modeling of bcc phase in the Ti-Al-V ternary system

Hang Wang, Nils Warnken, Roger Reed

Research output: Contribution to journalArticle

23 Citations (Scopus)


A thermodynamic optimisation of the ordered B2 phase in the Ti-Al binary and Ti-Al-V ternary systems is carried out, making use of a two-sublattice model (Ti,Al,V):(Ti,Al,V). A self-consistent set of parameters is obtained; it is demonstrated that the available experimental data for the phase equilibria are reproduced accurately. Based upon the thermodynamic driving forces calculated by the new thermodynamic database, interdiffusion in the disordered A2 phase of the ternary Ti-Al-V system is assessed and optimised. A set of parameters describing the atomic mobilities of the disordered A2 phase are given, which will be useful for future quantitative models of phase transitions involving this phase. (C) 2010 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)622-630
Number of pages9
JournalMaterials Science and Engineering A
Issue number2
Publication statusPublished - 1 Dec 2010


  • Mobility
  • Ti-Al-V
  • Thermodynamic
  • Optimisation


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