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There are many characteristics of the melt pool, such as high temperature, high brightness, small size, and rapid changes [1–3]. When different processing parameters were set, the shape, width, depth, and fluidity of the melt pool all affect the deposition quality of the component. Therefore, online monitoring of the melt pool is critical during laser deposition processing. Additionally, compared to post-processing methods for improving forming quality, real-time monitoring of the melt pool and online data collection can effectively achieve the melt pool state and thereby enhance deposition quality. Therefore, establishing a melt pool online detection and control system can reduce manufacturing costs and improve production quality [4–6].

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Melt Pools In-Situ Control Technology-Assisted Laser Directed Energy Deposition

  • 章节

  • 发表日期：

    2026年

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  • Kaiyu Luo,
  • Youyu Su,
  • Jinzhong Lu

摘要

There are many characteristics of the melt pool, such as high temperature, high brightness, small size, and rapid changes [1–3]. When different processing parameters were set, the shape, width, depth, and fluidity of the melt pool all affect the deposition quality of the component. Therefore, online monitoring of the melt pool is critical during laser deposition processing. Additionally, compared to post-processing methods for improving forming quality, real-time monitoring of the melt pool and online data collection can effectively achieve the melt pool state and thereby enhance deposition quality. Therefore, establishing a melt pool online detection and control system can reduce manufacturing costs and improve production quality [4–6].