화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Materials Research, Vol.12, No.12, 904-910, December, 2002
DOI10.3740/MRSK.2002.12.12.904  Export Citation
고에너지 전자빔 투사를 이용한 TiC, TiB 2 및 VC/ 탄소강 표면합금화 연구
Study of Surface Alloying of TiC, TiB 2 and VC with Carbon Steel Using High Energy Electron Beam Irradiation
유정훈1, 신기삼1, 1, †, 윤재홍1, 1, 이찬규1, 1, 허성강1, 1, 이재현1, 1, 오준철2, 이성학2, 어광준3
  • 1창원대학교 재료공학과
  • 2포항공과대학교 신소재공학과
  • 3한국기계연구원 재료연구부
Junghoon Yoo1, Keesam Shin2, 3, †, Jaehong Yoon2, 3, Changyu Lee2, 3, Sunggang Hur2, 3, Je Hyun Lee2, 3, Junchul Oh4, Sunghak Lee4, and Kwangjun Euh5
  • 1Dept. of Materials Science and Engineering, Changwon National University, Gyeongnam 641-773, Korea
  • 2Dept. of Materials Science and Engineering, Changwon National University, Changwon, 641-773, Korea
  • 3Dept. of Metallurgy and Materials Science, Changwon National University, Changwon, 641-773
  • 4Center for Advanved Aerospace materials, Pohang Uniersity of Science and Technology, Pohang 790-784, Korea
  • 5Dept. of Materials Technology, Korea Institute of Machinery and Metarials, Changwon, 641-070, Korea
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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:Surface Alloying;High Energy Electron Beam;VC;TiB 2;TiC
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