한국분말재료학회지 (Journal of Powder Materials)

  • 제17권3호
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  • Pages.242-250
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  • 2010
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  • 2799-8525(pISSN)
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  • 2799-8681(eISSN)
한국분말재료학회 (*구 분말야금학회) (The Korean Powder Metallurgy & Materials Institute)
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폐실리콘의 고에너지 밀링 과정에서 초기 입자 크기가 분말의 미세화에 미치는 효과

Effect of Initial Silicon Scrap Size on Powder Refining Process During High Energy Ball Milling (HEBM)

  • Song, Joon-Woo (Division of Advanced Materials Engineering & Institute for Rare Metals, Kongju National University) ;
  • Kim, Hyo-Seob (Division of Advanced Materials Engineering & Institute for Rare Metals, Kongju National University) ;
  • Kim, Sung-Shin (Silfine. Co., LTD) ;
  • Koo, Jar-Myung (Division of Advanced Materials Engineering & Institute for Rare Metals, Kongju National University) ;
  • Hong, Soon-Jik (Division of Advanced Materials Engineering & Institute for Rare Metals, Kongju National University)
  • 투고 : 2010.05.07
  • 심사 : 2010.06.08
  • 발행 : 2010.06.28
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초록

In this research, the optimal manufacturing conditions of fine Si powders from Si scrap were investigated as a function of different initial powder size using the high-energy ball milling equipment, which produces the fine powder by means of an ultra high-energy within a short duration. The morphological change of the powders according to the milling time was observed by Scanning electron microscopy (SEM). With the increasing milling time, the size of Si powder was decreased. In addition, more energy and stress for milling were required with the decreasing initial powder size. The refinement of Si scrap was rapidly carried out at 10min ball milling time. However, the refined powder started to agglomerate at 30 min milling time, while the powder size became uniform at 60 min milling time.

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참고문헌

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