Determination of (C11 - C12) in Ti-36Nb-2Ta-3Zr-0.3O (wt.%) (Gum metal)

R.J. Talling, R.J. Dashwood, M. Jackson, S. Kuramoto, D. Dye

Research output: Contribution to journalArticle

90 Citations (Scopus)

Abstract

The single-crystal elastic constants of a recently developed multifunctional β titanium alloy, Gum metal, have been obtained with the aid of in situ synchrotron X-ray diffraction. Results indicate that (C11 - C12) is approximately 33 GPa in this alloy, which is larger than previously predicted. Consequently it appears that this material would require a large local stress concentration in order to deform via ideal shear. X-ray diffraction analysis also suggests that Gum metal undergoes a stress-induced phase transformation during tensile loading.
Original languageEnglish
Pages (from-to)669-672
Number of pages4
JournalScripta Materialia
Volume59
Issue number6
DOIs
Publication statusPublished - Sep 2008

Keywords

  • Ab initio electron theory
  • Elastic behaviour
  • Phase transformations
  • Synchrotron radiation
  • Titanium alloys

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