대한금속재료학회지 (Korean Journal of Metals and Materials)

  • 제49권8호
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  • Pages.608-613
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  • 2011
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  • 1738-8228(pISSN)
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  • 2288-8241(eISSN)
대한금속재료학회 (The Korean Institute of Metals and Materials)
권호 표지
DOI QR코드

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펄스전류활성 연소합성에 의한 나노구조 (Ti,Mo)Si2 제조 및 기계적 특성

Mechanical Properties and Fabrication of Nanostructured (Ti,Mo)Si2 by Pulsed Current Activated Combustion

  • 고인용 (전북대학교 신소재공학부 신소재개발연구센터) ;
  • 박나라 (전북대학교 신소재공학부 신소재개발연구센터) ;
  • 오세훈 (중앙대학교 기계공학과) ;
  • 손인진 (전북대학교 신소재공학부 신소재개발연구센터)
  • Ko, In-Yong (Division of Advanced Materials Engineering, the Research Center of Advanced Materials Development, Chonbuk National University) ;
  • Park, Na-Ra (Division of Advanced Materials Engineering, the Research Center of Advanced Materials Development, Chonbuk National University) ;
  • Oh, Se-Hoon (Department of Mechanical Engineering, Chung-Ang University) ;
  • Shon, In-Jin (Division of Advanced Materials Engineering, the Research Center of Advanced Materials Development, Chonbuk National University)
  • 투고 : 2011.02.17
  • 발행 : 2011.08.25
⟨ 이전 논문 다음 논문 ⟩

초록

Nanopowders of Mo, Ti and Si were made by high-energy ball milling. A dense nanostructured $(Ti,Mo)Si_2$ compound was sintered by the pulsed current activated combustion method within two minutes from mechanically activated powder of Mo, Ti and Si. A highly dense $(Ti,Mo)Si_2$ compound was produced under simultaneous application of 80 MPa pressure and a pulsed current. The mechanical properties and micorostructure were investigated. The hardness and fracture toughness of the $(Ti,Mo)Si_2$ were $1030kg/mm^2$ and $4.9MPa{\cdot}m^{1/2}$, respectively. The mechanical properties were higher than monolithic $TiSi_2$.

키워드

과제정보

연구 과제 주관 기관 : 한국연구재단

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