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> 한국복합재료학회 > Composites Research(구 한국복합재료학회지) > 28권 6호

Special Issue Paper : High Temperature Thermo-mechanical Properties of HfC Reinforced Tungsten Matrix Composites

Special Issue Paper : High Temperature Thermo-mechanical Properties of HfC Reinforced Tungsten Matrix Composites

( Malik Adeel Umer ) , ( Dong Ju Lee ) , ( Ho Jin Ryu ) , ( Soon Hyung Hong )

- 발행기관 : 한국복합재료학회

- 발행년도 : 2015

- 간행물 : Composites Research(구 한국복합재료학회지), 28권 6호

- 페이지 : pp.366-371 ( 총 6 페이지 )


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초록(외국어)
In order to improve the mechanical properties of tungsten at room and elevated temperature, hafnium carbide (HfC) reinforced tungsten matrix composites were prepared using the spark plasma sintering technique. The effect of HfC content on the compressive strength and flexural strength of the tungsten composites was investigated. Mechanical properties of the composites were also measured at elevated temperatures and their trends, with varying reinforcement volume fraction, were studied. The effect of reinforcement fraction on the thermal properties of the composites was investigated. The thermal conductivity and diffusivity of the composites decreased with increasing temperature and reinforcement volume fraction. An inherently low thermal conductivity of the reinforcement as well as interfacial losses was responsible for lower values of thermal conductivity of the composites. Values of coefficient of thermal expansion of the composites were observed to increase with HfC volume fraction.

논문정보
  • - 주제 : 공학분야 > 재료공학
  • - 발행기관 : 한국복합재료학회
  • - 간행물 : Composites Research(구 한국복합재료학회지), 28권 6호
  • - 발행년도 : 2015
  • - 페이지 : pp.366-371 ( 총 6 페이지 )
  • - UCI(KEPA) : I410-ECN-0102-2016-530-000612417
저널정보
  • - 주제 : 공학분야 > 재료공학
  • - 성격 : 학술지
  • - 간기 : 격월
  • - 국내 등재 : KCI 등재
  • - 해외 등재 : -
  • - ISSN : 2288-2103
  • - 수록범위 : 1988–2021
  • - 수록 논문수 : 1616