Dynamic tensile response of additively manufactured Ti6Al4V with embedded spherical pores

Refael Fadida, Amnon Shirizly, Daniel Rittel

Research output: Contribution to journalArticlepeer-review

Abstract

The dynamic tensile response of additively manufactured (AM) dense and porous Ti6Al4V specimens was investigated under quasi-static and dynamic tension. The porous specimens contained single embedded spherical pores of different diameters. Such artificial spherical pores can mimic the behavior of realistic flaws in the material. It was found that beyond a certain pore diameter (Ø600 μm), the failure is determined according to the pore location, characterized by an abrupt failure and a significant decrease of ductility, while below that diameter, necking and fracture do not occur at the pore. The dynamic tensile mechanical behavior of the additively manufactured dense material was found to be similar to that of the conventional equivalent material, but the ductility to failure of the latter is observed to be higher.

Original languageEnglish
Article number041004
JournalJournal of Applied Mechanics, Transactions ASME
Volume85
Issue number4
DOIs
StatePublished - 1 Apr 2018

Keywords

  • Ti6Al4V
  • additive manufacturing
  • dynamic behavior
  • porous material
  • titanium alloys

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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