Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Study on Sintering Properties of $TiB_2-TiC$ Composite by Self-Propagating High Temperature Synthesis Method

SHS법에 의한 $TiB_2-TiC$ 복합체의 소결특성에 관한 연구

  • 이형복 (명지대학교 무기재료공학과) ;
  • 조덕호 (명지대학교 무기재료공학과) ;
  • 장준원 (명지대학교 무기재료공학과)
  • Published : 1992.07.01
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Abstract

TiB2 and TiC were prepared from the mixture of metal titanium, boron and graphite powders in Argon atmosphere by Self-propagating High-temperature Synthesis method. The sintered properties of TiB2-TiC composite as a function of TiC content and sintering temperature were investigated in TiB2 matrix. The sintered properties were the most excellent at 10 wt% TiC content in TiB2-TiC composite. The relative density, M.O.R strength, hardness and fracture toughness of TiB2-10 wt% TiC composite sintered at 190$0^{\circ}C$ for 90 min by hot-pressing under the pressure of 30 MPa were 98.6%, 634 MPa, 2128.1 kg/$\textrm{mm}^2$ and 4.09 MN/m3/2, respectively.

Keywords

References

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