Y2O3가 분산된 Fe-C 및 Fe-CNT 소결체의 미세구조 및 기계적 특성
(주)코리아스칼라
- 최초 등록일
- 2023.04.05
- 최종 저작일
- 2017.08
- 4페이지/ 어도비 PDF
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서지정보
ㆍ발행기관 : 한국분말야금학회
ㆍ수록지정보 : 한국분말야금학회지 / 24권 / 4호
ㆍ저자명 : 임진영, 안중호
영어 초록
In the present work, we use multiwall carbon nanotubes (MWCNT) as the starting material for the fabrication of sintered carbon steel. A comparison is made with conventionally sintered carbon steel, where graphite is used as the starting material. Milling is performed using a horizontal mill sintered in a vacuum furnace. We analyze the grain size, number of pores, X-ray diffraction patterns, and microstructure. Changes in the physical properties are determined by using the Archimedes method and Vickers hardness measurements. The result shows that the use of MWCNTs instead of graphite significantly reduces the size and volume of the pores as well as the grain size after sintering. The addition of Y2O3.to the Fe-MWCNT samples further inhibits the growth of grains.
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