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<p>This study investigated the influence of cusp-shaped magnetic fields on wire arc additive manufacturing (WAAM) under vibrating conditions, focusing on their role in enhancing forming quality and stabilizing both arc and droplet behaviors. Experimental results indicated that the introduction of a cusp magnetic field significantly improved WAAM forming quality and the stability of the arc and droplets. This enhancement was primarily attributed to the effective modulation of arc behavior and droplet patterns by the magnetic field. A well-tuned cusp magnetic field can alter the arc shape, thereby enhancing its stability and influencing droplet transition modes and morphology, which effectively reduces spattering. Under low-vibration conditions (vibration acceleration below 5 m/s<sup>2</sup>), optimized magnetic field parameters at 0.32 A yield particularly notable improvements, enhancing both forming morphology and significantly increasing the mechanical performance of the samples. However, the influence of the cusp magnetic field on the WAAM process becomes limited under high-vibration conditions (vibration acceleration of 5-10 m/s<sup>2</sup>).</p>

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Optimizing Arc and Droplet Transition Stability in Wire Arc Additive Manufacturing under Vibrating Conditions Using a Cusp Magnetic Field

  • 期刊论文

  • 发表日期：

    2025年4月21日

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  • Yadong Wang,
  • Yekun Jin,
  • Petro Pavlenko,
  • Jincheng Li,
  • Xuezhi Shi

摘要

This study investigated the influence of cusp-shaped magnetic fields on wire arc additive manufacturing (WAAM) under vibrating conditions, focusing on their role in enhancing forming quality and stabilizing both arc and droplet behaviors. Experimental results indicated that the introduction of a cusp magnetic field significantly improved WAAM forming quality and the stability of the arc and droplets. This enhancement was primarily attributed to the effective modulation of arc behavior and droplet patterns by the magnetic field. A well-tuned cusp magnetic field can alter the arc shape, thereby enhancing its stability and influencing droplet transition modes and morphology, which effectively reduces spattering. Under low-vibration conditions (vibration acceleration below 5 m/s2), optimized magnetic field parameters at 0.32 A yield particularly notable improvements, enhancing both forming morphology and significantly increasing the mechanical performance of the samples. However, the influence of the cusp magnetic field on the WAAM process becomes limited under high-vibration conditions (vibration acceleration of 5-10 m/s2).