Recent Trends on Additive Manufacturing Technology: A Review ~ The Trends and Issues in R&D of PBF-LB Additive Manufacturing ~

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  • Metal Additive Manufacturing技術の最新動向～PBF-LBにおける研究開発動向と課題～
  • Metal Additive Manufacturing ギジュツ ノ サイシン ドウコウ : PBF-LB ニ オケル ケンキュウ カイハツ ドウコウ ト カダイ

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In this review, the recent trends on metal additive manufacturing (AM) on powder bed fusion (PBF), directed energy deposition (DED), binder jetting (BJT), and material extrusion (MEX) processes, were reported. In particular, the trends and issues of research and development (R&D) in laser powder bed fusion (PBF-LB) additive manufacturing was introduced. The progress in PBF, DED, BJT, and MEX processes was discussed using AMPOWER maturity index in metal AM 2023. The technology maturity and industrialization in these processes have been improved greatly in a few years. The R&D reported in SFF symposium 2023, such as monitoring technology and analysis of monitoring data, manufacturing technology on wire-fed DED, BJT and MEX, and new functional materials were introduced. Additionally, the issues in R&D of PBF-LB on development of machines, monitoring and feedback technology, and quality assurance of products were discussed.

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