A support interface method for easy part removal in directed energy deposition

Jingchao Jiang, Fei Weng, Shiming Gao, Jonathan Stringer, Xun Xu, Ping Guo*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

38 Scopus citations


In traditional directed energy deposition (DED) processes, post-processing involving laser cutting or wire electrical discharge machining is necessary for removing printed parts from the substrate, which is time consuming and labor intensive. In this letter, a support interface method for DED is proposed for direct part removal without additional machining operations. A strut array is first printed as a sacrificial layer, upon which the actual part is then deposited. This letter demonstrates the method feasibility with a customized DED setup. It is expected that the proposed strategy will be beneficial in various DED processes to enhance process efficiency and automation.

Original languageEnglish (US)
Pages (from-to)30-33
Number of pages4
JournalManufacturing Letters
StatePublished - Apr 2019


  • Additive manufacturing
  • Directed energy deposition
  • Support interface

ASJC Scopus subject areas

  • Mechanics of Materials
  • Industrial and Manufacturing Engineering


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