Spatial variation of microtexture in linear friction welded Ti-6Al-4V

Yina Guo, Moataz M. Attallah, Yulung Chiu, Hangyue Li, Simon Bray, Paul Bowen

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)
167 Downloads (Pure)

Abstract

The variation of microstructure and microtexture across a Ti-6Al-4V (Ti64) linear friction weld was investigated using scanning electron microscopy (SEM) and electron backscattered diffraction (EBSD). Pole figures and misorientations distribution obtained from α phase show four distinct regions within the weld, with different textural characteristics. Nevertheless, the main texture components remain the same in centre weld zone and thermal mechanical affected zone with the basal poles of the α phases located at around 0°, 60° and 90° to the sample normal (Z0) direction. The results indicate that the texture components are strongly related to the amount of transformed β phase. The deformation of the primary α grains has a limited effect on the texture development.

Original languageEnglish
Pages (from-to)342-347
Number of pages6
JournalMaterials Characterization
Volume127
Early online date14 Mar 2016
DOIs
Publication statusPublished - 1 May 2017

Keywords

  • Electron backscattered diffraction (EBSD)
  • Linear friction welding
  • Microstructure
  • Titanium alloys

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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