밀링 에너지 변화에 따른 TiC 분말의 미세화 거동에 관한 정량적 연구
Quantitative Study on the Refinement Behaviors of TiC Powders Produced by Mechanical Milling Under Different Impact Energy
2
조회
0
다운로드
3
인용
0
참고문헌
키워드
초록
This study investigated refinement behaviors of TiC powders produced under different impact energy conditions using a mechanical milling process. The initial coarse TiC powders with an average diameter of 9.3 μm were milled for 5, 20, 60 and 120 mins through the conventional low energy mechanical milling (LEMM, 22G) and specially designed high energy mechanical milling (HEMM, 65G). TiC powders with angular shape became spherical one and their sizes decreased as the milling time increased, irrespective of milling energy. Based upon the FE-SEM and BET results of milled powders, it was found initial coarse TiC powders readily became much finer near 100 nm within 60 min under HEMM,while their sizes were over 200 nm under LEMM, despite the long milling time of up to 120 min. Particularly, ultra-fine TiC powders with an average diameter of 77 nm were fabricated within 60 min in the presence of toluene under HEMM.
Abstract
This study investigated refinement behaviors of TiC powders produced under different impact energy conditions using a mechanical milling process. The initial coarse TiC powders with an average diameter of 9.3 μm were milled for 5, 20, 60 and 120 mins through the conventional low energy mechanical milling (LEMM, 22G) and specially designed high energy mechanical milling (HEMM, 65G). TiC powders with angular shape became spherical one and their sizes decreased as the milling time increased, irrespective of milling energy. Based upon the FE-SEM and BET results of milled powders, it was found initial coarse TiC powders readily became much finer near 100 nm within 60 min under HEMM,while their sizes were over 200 nm under LEMM, despite the long milling time of up to 120 min. Particularly, ultra-fine TiC powders with an average diameter of 77 nm were fabricated within 60 min in the presence of toluene under HEMM.
참고문헌 (21)
- B. H. Lohse, , J. Alloys Compd, 394(1), pp.148~ (2005)
- N. Chandra, , Mater. Lett, 63, pp.1051~ (2009)
- M. Razavi, , J. Alloys Compd, 436, pp.142~ (2007)
- Z. Xinkun, , Mater. Sci. Eng, 16, pp.103~ (2001)
- P. Baviera, , Scripta Mater, 44, pp.2721~ (2001)
- Q. Yuan, , Int. J. Refract. Met. Hard Mater, 27, pp.696~ (2009)
- 안인섭, "Synthesis of Titanium Carbide Nano Particles by the Mechano Chemical Process", 한국분말야금학회지, 16(1), pp.43~49 (2009), 한국분말야금학회
- H. Abderrazak, , Int. J. Refract. Met. Hard Mater, 29, pp.170~ (2011)
- C. J. Choi, , J. Mater. Proc. Tech, 104, pp.127~ (2000)
- B. L. Shen, , Scripta Mater, 42, pp.893~ (2000)
- M. Razavi, , Mater. Sci. Eng, 454, pp.144~ (2007)
- S. H. Lee, , Trans. Nonferrous Met. Soc.China, 21, pp.54~ (2011)
- S. C. Tjong, , Advanced Eng. Mater, 9, pp.639~ (2007)
- W. Lu, , J. Alloys Compd, 327, pp.248~ (2001)
- C. Suryanarayana, , Prog. Mater. Sci, 46, pp.1~ (2001)
- 송준우, "고에너지 밀링공정을 이용한 조대 마그네슘 분말의 미세화 거동", 한국분말야금학회지, 17(4), pp.302~311 (2010), 한국분말야금학회
- J. J. Park, , J. Nucl. Mater (2012)[DOI]
- B. D. Cullity, "Elements of X-ray Diffraction, 2nd ed" (1956), Addison- Wesley, Inc
- S. Brunauer, , J. Am. Chem. Soc, 60, pp.309~ (1938)
- 이동원, "신 열환원 공정에 의한 초미립 티타늄 카바이드 분말 합성", 한국분말야금학회지, 10(6), pp.390~394 (2003), 한국분말야금학회
- Y. F. Zhang, , J. Mater. Proc. Tech, 89, pp.260~ (1999)