Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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Study of Surface Alloying of TiC, TiB2 and VC with Carbon Steel Using High Energy Electron Beam Irradiation

고에너지 전자빔 투사를 이용한 TiC, TiB2 및 VC/ 탄소강 표면합금화 연구

  • Yoo, Jung-Hoon (Dept. of Materials Science and Engineering) ;
  • Shin, Kee-Sam (Dept. of Materials Science and Engineering) ;
  • Yoon, Jae-Hong (Dept. of Materials Science and Engineering) ;
  • Lee, Chan-Gyu (Dept. of Materials Science and Engineering) ;
  • Hur, Sung-Gang (Dept. of Materials Science and Engineering) ;
  • Lee, Je-Hyun (Dept. of Materials Science and Engineering) ;
  • Oh, Jun-Chul (Center for Advanved Aerospace materials Pohang Uniersity of Science and Technology) ;
  • Lee, Sung-Hak (Center for Advanved Aerospace materials Pohang Uniersity of Science and Technology) ;
  • Euk, Kwang-Jun (Dept. of Materials Technology, Korea Institute of Machinery and Metarials)
  • 유정훈 (창원대학교 재료공학과) ;
  • 신기삼 (창원대학교 재료공학과, 금속재료공학과) ;
  • 윤재홍 (창원대학교 재료공학과, 금속재료공학과) ;
  • 이찬규 (창원대학교 재료공학과, 금속재료공학과) ;
  • 허성강 (창원대학교 재료공학과, 금속재료공학과) ;
  • 이재현 (창원대학교 재료공학과, 금속재료공학과) ;
  • 오준철 (포항공과대학교 신소재공학과) ;
  • 이성학 (포항공과대학교 신소재공학과) ;
  • 어광준 (한국기계연구원 재료연구부)
  • Published : 2002.12.01
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Abstract

Surface alloying using TiC, $TiB_2$ and VC ceramic particles on carbon steel has been performed using high voltage electron beam. Each type of ceramic particles was mixed with flux of Al and $MgF_2$ in 1 to 4 ratio. The microstructures of the surface alloyed layers consisted of melted region, interface region. heat affected region and the unaffected matrix. The surface layer of the TiC surface alloyed had a cubed primary and a eutectic type of TiC. $TiB_2$ in surface layer of $TiB_2$ surface alloyed were incompletely melted with$ TiB_2$ particles as observed before the alloying. On the surface layer of the VC surface alloyed, very well defined cell structure was observed with VC on the cell boundary. In addition, ~50 nm in diameter VC particles in high density were ubiquitous in the matrix. Those fine VC particles prominently improved the hardness and wear resistance of the surface layer of the VC surface alloyed.

Keywords

References

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