Korean Journal of Metals and Materials (대한금속재료학회지)

The Korean Institute of Metals and Materials (대한금속재료학회)
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The Effect of Rapid Consolidation of Nanostructured MoSi2-SiC Composite on its Mechanical Properties

나노구조 몰리브덴늄실리사이드-실리콘카바이드 복합재료의 급속소결과 기계적 성질

  • Ko, In-Yong (Department of Materials Engineering, Research Center of Advanced Material Development, Chonbuk National University) ;
  • Chae, Seung-Myoung (Department of Materials Engineering, Research Center of Advanced Material Development, Chonbuk National University) ;
  • Shon, In-Jin (Department of Materials Engineering, Research Center of Advanced Material Development, Chonbuk National University,Department of Hydrogen and Fuel Cells Engineering, Specialized Graduate School, Chonbuk National University)
  • 고인용 (전북대학교 신소재공학부) ;
  • 채승명 (전북대학교 신소재공학부) ;
  • 손인진 (전북대학교 신소재공학부,전북대학교 수소연료전지특성화대학원)
  • Received : 2010.01.07
  • Published : 2010.05.22
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Abstract

A dense nanostructured MoSi$_{2}$-SiC composite was synthesized by a pulsed current activated combustion synthesis method within 2 min of one step from mechanically activated powders of Mo$_{2}$C and Si. Simultaneous combustion synthesis and consolidation were accomplished under the combined effects of a pulsed current and mechanical pressure. Highly dense MoSi$_{2}$-SiC with a relative density of up to 98% was produced under simultaneous application of an 80 MPa pressure and pulsed current. The average grain size and mechanical properties of the composite were investigated.

Keywords

Acknowledgement

Supported by : 교육과학기술부

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