The behaviour of droplet transfer and material flow during the deposition process is related to the production of individual beads, geometrical precision, and mechanical properties of WAAM parts. Arc plasma, heat transfer, and material flow behaviour in welding and joining operations may now be comprehended clearly because of advancements in visualisation techniques and high-speed imaging technologies. For the WAAM technique, especially as an experimental method, this has not yet been reported. This research used high-speed imaging equipment with cutting-edge laser illumination and flow tracing software to comprehend the impact of different process parameters on melt flow pattern and bead shape control.

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Melt Pool Dynamic and Droplet Transfer in Wire-Arc Additive Manufacturing Process

  • Van Nhat Chu,
  • Van Anh Nguyen,
  • Quang Tu Ngo,
  • Anh Thang Nguyen

摘要

The behaviour of droplet transfer and material flow during the deposition process is related to the production of individual beads, geometrical precision, and mechanical properties of WAAM parts. Arc plasma, heat transfer, and material flow behaviour in welding and joining operations may now be comprehended clearly because of advancements in visualisation techniques and high-speed imaging technologies. For the WAAM technique, especially as an experimental method, this has not yet been reported. This research used high-speed imaging equipment with cutting-edge laser illumination and flow tracing software to comprehend the impact of different process parameters on melt flow pattern and bead shape control.