Resources Recycling (자원리싸이클링)

The Korean Institute of Resources Recycling (한국자원리싸이클링학회)
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Feasibility of Copper Powder Fabrication by Ball Milling of Copper Chip Scrap Occurred During Cutting Process of Copper Pipe

구리 관(管)의 절단(切斷) 공정(工程)중 발생한 구리칩 스크랩의 볼밀링에 의한 구리 분말(粉末) 제조(製造) 가능성(可能性)

  • Hong, Seong-Hyeon (Powder Materials Technology Group, KIMS, Korea Institute of Machinery and Materials)
  • 홍성현 (한국기계연구원 부설 재료연구소 분말기술연구그룹)
  • Received : 2011.07.20
  • Accepted : 2011.11.21
  • Published : 2011.12.31
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Abstract

Copper chip scrape has been occurred by cutting of copper pipe. The feasibility of copper chip scrape into the copper powder by milling was studied. Two milling type such as rod milling and horizontal balling milling were applied in this research. Copper chip can not fragmented into powder by using rod milling. In contrast to rod milling, copper chip can be changed into powder by horizontal ball milling for above 36 hours. It was found that recycling of copper chip scraps into copper powder by horizontal ball milling is possible and powder fraction percent ($75{\sim}150{\mu}m$) of milled copper chip for 48 hours is 25.3%.

구리관의 절단 공정에서 구리 칩 스크랩이 발생해왔다. 분쇄에 의하여 구리칩 스크랩을 분말화하는 가능성이 연구되었다. 본 연구에서는 로드 밀링, 수평식 볼밀링과 같은 두 가지 타입의 분쇄 방식이 적용되었다. 구리 칩은 로드 밀링에 의하여 분말 형태로 분쇄될 수 없었다. 반면에 36시간 이상 수평식 볼밀링에 의하여 구리칩은 분말로 변화하였다. 수평식 볼밀링에 의한 구리 칩의 분말로 재활용이 가능하였고 48시간 동안 밀링된 원료중 $75{\sim}150{\mu}m$ 범위의 분말은 25.3%이였다.

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References

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