Basic study of fabrication conditions for foam stainless in directed energy deposition

Toshihiro Takeuchi, Ryo Koike, Yasuhiro Kakinuma, Masaki Kondo, Yohei Oda, Takanori Mori

Research output: Contribution to conferencePaperpeer-review

Abstract

Directed energy deposition (DED) is one of additive manufacturing processes attracting attention from various industries. Foam metal is a material having beneficial characteristics, but is difficult to produce with conventional manufacturing system. This study proposes a simple foam metal fabrication method by applying DED. The proposed method produces foam stainless alloy in DED by adding a foaming agent, titanium hydride (TiH2), into the powder material. This study evaluates the foaming behavior of porous stainless in DED by changing the particle size of TiH2 and the number of layers per line, and obtains the optimal number of layers to improve the porosity dispersion.

Original languageEnglish
Pages677-682
Number of pages6
Publication statusPublished - 2021
Event10th International Conference on Leading Edge Manufacturing Technologies in 21st Century, LEM 2021 - Virtual, Online
Duration: 2021 Nov 142021 Nov 18

Conference

Conference10th International Conference on Leading Edge Manufacturing Technologies in 21st Century, LEM 2021
CityVirtual, Online
Period21/11/1421/11/18

Keywords

  • Additive manufacturing
  • DED
  • Foam metal
  • Stainless
  • Titanium hydride

ASJC Scopus subject areas

  • Artificial Intelligence
  • Industrial and Manufacturing Engineering
  • Electronic, Optical and Magnetic Materials

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