Texturing and phase evolution in ti-6al-4v: Effect of electron beam melting process, powder re-using, and hip treatment

Vladimir V. Popov*, Mikhail L. Lobanov, Stepan I. Stepanov, Yuanshen Qi, Gary Muller-Kamskii, Elena N. Popova, Alexander Katz-Demyanetz, Artemiy A. Popov

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The research demonstrates microstructural changes and development of specific texture in Ti-6Al-4V specimens produced by electron beam melting (EBM) under different conditions. The effect of two factors, namely, raw material (powder) recycling and hot isostatic pressing (HIP), on the EBM produced samples structure and properties, has been explored. The as-printed and treated samples were investigated using electron backscattered diffraction (EBSD) analysis. Modification of mechanical properties after the EBM and HIP are explained by the EBSD data on microstructural phenomena and phase transformations. The work is devoted to assessing the possibility of reusing the residual titanium alloy powder for the manufacture of titanium components by the combination of EBM and HIP methods.

Original languageEnglish
Article number4473
JournalMaterials
Volume14
Issue number16
DOIs
StatePublished - Aug 2021

Keywords

  • EBSD
  • Electron beam melting
  • HIP
  • Orientation relationship
  • Powder recycling
  • Texture inheritance
  • Ti-6Al-4V

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