Kinetic pathways of phase transformations in two-phase Ti alloys

Tae Wook Heo, Donald S. Shih, Long Qing Chen

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Possible phase transformation kinetic pathways from the high temperature β phase to the low temperature (α + β) two-phase Ti alloys were analyzed using the graphical thermodynamic method and the assumption that diffusionless and displacive transformations take place much faster than phase separation which requires long-range diffusion. It is shown that depending on the composition of a β-stabilizing element, many transformation mechanisms are possible, involving competing continuous and discontinuous displacive/diffusional transformations. We discuss the proposed phase transformation sequences employing existing experimental microstructures.

Original languageEnglish (US)
Pages (from-to)3438-3445
Number of pages8
JournalMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume45
Issue number8
DOIs
StatePublished - Jul 2014

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys

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