Phase equilibria in the Ti–Al–Cr system at 1000 °C

Shuai Xu*, Heng Zhang, Gang Yang, Yongfeng Liang, Xiangjun Xu, Jianping He, Junpin Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The phase equilibria in the Ti–Al and Ti–Cr binary systems and the isothermal section of the Ti–Al–Cr ternary system at 1000 °C were constructed from results obtained by studying diffusion multiples and quenched alloys with a scanning electron microscope in backscattered electron mode (SEM-BSE), a scanning electron microscope equipped with energy-dispersive X-ray spectroscopy (SEM-EDX) and an electron probe microanalysis (EPMA). Seven three-phase regions and the corresponding single- or two-phase regions are observed in this work and compared to previous experimental and calculated results. The regions of the L12, β (Ti) and β (Cr) phases are larger than those in the prior calculated results. The three-phase regions are also different with the previous reported experimental results.

Original languageEnglish
Article number154236
JournalJournal of Alloys and Compounds
StatePublished - 15 Jun 2020


  • Diffusion multiples
  • Intermetallics
  • Phase diagram
  • Phase transformation
  • TiAl alloy
  • Ti–Al–Cr


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