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The Legnaro National Laboratories (LNL) of the Italian Institute of Nuclear Physics (INFN) host the Selective Production of Exotic Species (SPES) facility, which will employ the Isotope Separation On-Line (ISOL) method to generate Radioactive Ion Beams (RIBs) for scientific research. At SPES, a proton beam interacts with a primary target, producing radioactive neutral isotopes subsequently ionized for experimentation. The FEBIAD type ion source, essential for the ionization process, operates at extreme working conditions (temperature above 2000 ℃ and high vacuum regime) and faces challenges due to conventional manufacturing limitations affecting its performance stability. The Laser Powder Bed Fusion (LPBF) technology emerges as a potential solution to produce the ion source parts overcoming such limits. In this paper, experimental methods for assessing LPBF components behavior at the effective working conditions are detailed. Specifically, an accurate measurement of deformation at high temperature caused by thermal expansion remains crucial, necessitating an updated experimental setup incorporating a vision system. Stringent requirements for this system include precise positioning, calibration, resolution, illumination, and alignment capabilities to effectively evaluate deformations during operation.

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Definition of an Experimental Method and Setup for High Temperature Deformation Measurements on FEBIAD-Type Ion Source

  • 会议论文

  • 发表日期：

    2025年

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  • Alberto Girotto,
  • Michele Ballan,
  • Pietro Rebesan,
  • Ileana Bodini,
  • Antonio Isceri,
  • Diego Paderno,
  • Razvan Dima,
  • Adriano Pepato,
  • Mattia Manzolaro,
  • Valerio Villa

摘要

The Legnaro National Laboratories (LNL) of the Italian Institute of Nuclear Physics (INFN) host the Selective Production of Exotic Species (SPES) facility, which will employ the Isotope Separation On-Line (ISOL) method to generate Radioactive Ion Beams (RIBs) for scientific research. At SPES, a proton beam interacts with a primary target, producing radioactive neutral isotopes subsequently ionized for experimentation. The FEBIAD type ion source, essential for the ionization process, operates at extreme working conditions (temperature above 2000 ℃ and high vacuum regime) and faces challenges due to conventional manufacturing limitations affecting its performance stability. The Laser Powder Bed Fusion (LPBF) technology emerges as a potential solution to produce the ion source parts overcoming such limits. In this paper, experimental methods for assessing LPBF components behavior at the effective working conditions are detailed. Specifically, an accurate measurement of deformation at high temperature caused by thermal expansion remains crucial, necessitating an updated experimental setup incorporating a vision system. Stringent requirements for this system include precise positioning, calibration, resolution, illumination, and alignment capabilities to effectively evaluate deformations during operation.