Development of chevron-shaped ? precipitates in Ti-5Al-5Mo-5V-3Cr

N.G. Jones, R.J. Dashwood, M. Jackson, D. Dye

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84 Citations (Scopus)


A unique chevron-like morphology of the hexagonal α phase has been observed in Ti–5Al–5Mo–5V–3Cr. The α precipitates were formed by direct ageing at 400 °C following solution treatment in the β phase field. Chevrons were imaged using both backscattered and transmitted electrons and were found to have a complex internal structure. It is hypothesized that the microstructure is developed through multiple site nucleation from ω particles formed during air cooling.
Original languageEnglish
Pages (from-to)571-573
Number of pages3
JournalScripta Materialia
Issue number7
Publication statusPublished - Apr 2009


  • Titanium alloys
  • Phase transformations
  • Metastable phases
  • Heterogeneous nucleation
  • Direct ageing


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