Controlling metal structure with remelting process in direct energy deposition of Inconel 625

Ryo Koike, Taro Misawa, Tojiro Aoyama, Masaki Kondo

研究成果: Article査読

9 被引用数 (Scopus)

抄録

Direct energy deposition (DED) is a metal additive manufacturing process that involves the application of a large amount of heat energy, which generates a thermal gradient across the deposited part. This usually results in unexpected anisotropy and weakening of the deposited part due to residual pours. These problems need to be solved to ensure satisfactory results when using DED. This study led to the proposal of a simple heat treatment procedure for DED-produced parts in the form of a remelting process, which controls the metal crystal orientation and eliminates residual pours. The use of a high-power laser for remelting certainly obtained high-density metal structures with high hardness.

本文言語English
ページ(範囲)237-240
ページ数4
ジャーナルCIRP Annals
67
1
DOI
出版ステータスPublished - 2018 1 1

ASJC Scopus subject areas

  • 機械工学
  • 産業および生産工学

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