소성∙가공 (Transactions of Materials Processing)

  • 제33권4호
  • /
  • Pages.255-260
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  • 2024
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  • 1225-696X(pISSN)
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  • 2287-6359(eISSN)
한국소성∙가공학회 (The Korean Society for Technology of Plasticity and materials processing)
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전해연마된 SLM 기반 316L Steel의 질량 손실 및 표면 피복 특성 연구

Mass Loss and Surface Passivation Characteristics of Electropolished SLM 316L Steel

  • ;
  • 안동규 (조선대학교 기계공학과) ;
  • 이정원 (조선대학교 기계공학과)
  • Jothi Prakash Chakrapani Gunarasan ;
  • Dong-Gyu Ahn ;
  • Jeong-Won Lee (Chosun University)
  • 투고 : 2024.07.11
  • 심사 : 2024.07.23
  • 발행 : 2024.08.01
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초록

Utilization of additively manufactured parts in intended applications is limited by surface roughness. Roughness reduction in internal surface area of AM parts is exponentially more challenging. Reported methodologies for roughness reduction, result in material loss and limits the operational life of these parts. Herein, we explored electropolishing to reduce surface roughness of SLM manufactured 316L steel. Furthermore, the mass loss incurred during electropolishing is deduced as a function of polishing time. The change in roughness, wettability and surface passivation were studied and discussed in detail.

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과제정보

This research is supported through National Research Foundation of Korea (NRF), grant funded by Korea government (MIST) (No. RS-2023-00219369) and (No. RS-2023-00277993).

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