Y2O3가 분산된 Fe-C 및 Fe-CNT 소결체의 미세구조 및 기계적 특성
The Microstructure and Mechanical Properties of Y2O3-Dispersed Fe-C and Fe-CNT Sintered Steels
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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.
Abstract
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.
참고문헌 (7)
- N. Y. Iwata, , J. Nucl. Mater., 417, pp.162~ (2011)
- C. Capdevila, , ISIJ Int., 43, pp.777~ (2003)
- A. Certain, , J. Nucl. Mater., 434, pp.311~ (2013)
- N. Baluc, , Nucl. Fusion, 44, pp.56~ (2004)
- M. S. Dresselhaus, , Phil. Trans. R. Soc. Lond. A, 362, pp.2065~ (2004)
- A. M. K. Esawi, , Compos. Sci. Technol., 70, pp.2237~ (2010)
- A. M. K. Esawi, , Mater. Sci. Eng. A, 508, pp.167~ (2009)