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WAAM (wire arc additive manufacturing) is receiving much interest for producing large-dimensional metal parts for industries, such as aerospace, shipbuilding, and construction. The WAAM technology uses an arc energy to melt the metal wire and directly deposit the melted metal into the workpiece layer upon layer to form a solid part. Various metals and alloys have been investigated and fabricated by the WAAM process, including steels, titanium and nickel-based alloys. Among these materials, Inconel 625-a kind of nickel-based super alloys is largely utilized in aerospace and shipbuilding fields, and it is successfully fabricated by WAAM. However, the comprehensive understanding of the relations between the WAAM process and materials properties of Inconel 625 is still limited. Therefore, this research aims at exploring and clarifying such a relationship via experimental studies. The outcomes of this research can contribute to the academic, research and industrial communities an insight on the WAAM process of Inconel 625 and suggestions to improve the quality of fabricated Inconel parts for actual applications.

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Investigation of the Process-Microstructure-Material Properties Relationship in Wire Arc Additive Manufacturing of Inconel 625

  • 会议论文

  • 发表日期：

    2025年

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  • Duc Manh Dinh,
  • Van Thao Le,
  • Minh Phuc Hoang,
  • Van Chau Tran,
  • Dinh Si Mai,
  • Quoc-Hoang Pham,
  • Manh Cuong Bui,
  • Tat Khoa Doan

摘要

WAAM (wire arc additive manufacturing) is receiving much interest for producing large-dimensional metal parts for industries, such as aerospace, shipbuilding, and construction. The WAAM technology uses an arc energy to melt the metal wire and directly deposit the melted metal into the workpiece layer upon layer to form a solid part. Various metals and alloys have been investigated and fabricated by the WAAM process, including steels, titanium and nickel-based alloys. Among these materials, Inconel 625-a kind of nickel-based super alloys is largely utilized in aerospace and shipbuilding fields, and it is successfully fabricated by WAAM. However, the comprehensive understanding of the relations between the WAAM process and materials properties of Inconel 625 is still limited. Therefore, this research aims at exploring and clarifying such a relationship via experimental studies. The outcomes of this research can contribute to the academic, research and industrial communities an insight on the WAAM process of Inconel 625 and suggestions to improve the quality of fabricated Inconel parts for actual applications.