Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Property of the Spheroidized Zr Powder by Radio Frequency Plasma Treatment

RF 플라즈마 처리법에 기반한 기계적 밀링된 Zr 분말의 구형화에 따른 특성 변화

  • Lee, Yukyeong (Department of Materials Engineering and Convergence Technology, Gyeongsang National University) ;
  • Choi, Mi-Sun (Industrial Materials Research Group, Research Institute of Industrial Science and Technology) ;
  • Park, Eon Byeong (Industrial Materials Research Group, Research Institute of Industrial Science and Technology) ;
  • Oh, Jeong Seok (Department of Materials Engineering and Convergence Technology, Gyeongsang National University) ;
  • Nam, Taehyun (Department of Materials Engineering and Convergence Technology, Gyeongsang National University) ;
  • Kim, Jung Gi (Department of Materials Engineering and Convergence Technology, Gyeongsang National University)
  • 이유경 (경상대학교 나노신소재융합공학과) ;
  • 최미선 (포항산업과학연구원 산업소재연구그룹) ;
  • 박언병 (포항산업과학연구원 산업소재연구그룹) ;
  • 오정석 (경상대학교 나노신소재융합공학과) ;
  • 남태현 (경상대학교 나노신소재융합공학과) ;
  • 김정기 (경상대학교 나노신소재융합공학과)
  • Received : 2021.03.09
  • Accepted : 2021.04.07
  • Published : 2021.04.28
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Abstract

Powder quality, including high flowability and spherical shape, determines the properties of additively manufactured products. Therefore, the cheap production of high-quality powders is critical in additive manufacturing. Radio frequency plasma treatment is an effective method to fabricate spherical powders by melting the surface of irregularly shaped powders; in the present work, mechanically milled Zr powders are spheroidized by radio frequency plasma treatment and their properties are compared with those of commercial Zircaloy-2 alloy powder. Spherical Zr particles are successfully fabricated by plasma treatment, although their flowability and impurity contents are poorer than those of the commercial Zircaloy-2 alloy powder. This result shows that radio-frequency plasma treatment with mechanically milled powders requires further research and development for manufacturing low-cost powders for additive manufacturing.

Keywords

Acknowledgement

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (2020R1A4A3079417).

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