Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Mechanical Properties of Bulk Ti3SiC2 Synthesized by a Hot Press Sintering

가압 소결법으로 합성된 Ti3SiC2 소결체의 기계적 특성

  • Cho, Gyoung-Sun (Functional Materials Center, Korea Institute of Science and Technology) ;
  • Hwang, Sung-Sic (Functional Materials Center, Korea Institute of Science and Technology) ;
  • Kwon, Huck-Bo (Department Environmental Engineering, Kyungnam University) ;
  • Park, Sang-Whan (Functional Materials Center, Korea Institute of Science and Technology)
  • 조경선 (한국과학기술연구원 기능재료센터) ;
  • 황성식 (한국과학기술연구원 기능재료센터) ;
  • 권혁보 (경남대학교 환경공학과) ;
  • 박상환 (한국과학기술연구원 기능재료센터)
  • Received : 2010.10.10
  • Accepted : 2010.11.24
  • Published : 2010.11.30
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Abstract

Nano laminated bulk $Ti_3SiC_2$ was synthesized by hot press process using TiCx/Si powder mixture at the temperature range of $1300^{\circ}C\sim1500^{\circ}C$. pure $Ti_3SiC_2$ was synthesized by a hot pressing above $1400^{\circ}C$, while unreacted TiCx were remained in bulk $Ti_3SiC_2$ which synthesized below $1400^{\circ}C$. The sintering density of bulk $Ti_3SiC_2$ were varied with the amount of TiCx. It was found that the mechanical properties and micro structures of bulk $Ti_3SiC_2$ were closely related to the amounts of TiCx which was controlled by the hot pressing temperature. The TiCx increase the flexural strength of bulk $Ti_3SiC_2$, while the fracture toughness and thermal shock resistance of bulk $Ti_3SiC_2$ were decreased with the content of TiCx. The plastic deformations of bulk $Ti_3SiC_2$ were appeared above $1000^{\circ}C$.

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References

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