Reducing the anisotropy of the mechanical properties of directed energy deposited Ti6Al4V alloy with inter-layer ultrasonic impact peening and heat treatment

  • Sheng Huang
  • , Zhenjia Qi
  • , Anfeng Zhang
  • , Xiaoyu Zhang
  • , Qingyu Li
  • , Dichen Li

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

The microstructure and mechanical properties of directed energy deposited Ti6Al4V alloy upon inter-layer ultrasonic impact peening and heat treatment including thermal cycling and solution plus aging were studied. The results show that the anisotropy of the mechanical properties can be reduced by breaking columnar prior-β grains with inter-layer ultrasonic impact peening and spheroidizing primary α phases with heat treatment.

Original languageEnglish
Article number144123
JournalMaterials Science and Engineering: A
Volume857
DOIs
StatePublished - 1 Nov 2022

Keywords

  • Additive manufacturing
  • Anisotropy
  • Heat treatment
  • Titanium alloy
  • Ultrasonic impact peening

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