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J. Korean Ceram. Soc. > Volume 29(7); 1992 > Article
Journal of the Korean Ceramic Society 1992;29(7): 577.
SHS법에 의한 $TiB_2-TiC$ 복합체의 소결특성에 관한 연구
이형복, 조덕호, 장준원
명지대학교 무기재료공학과
Study on Sintering Properties of $TiB_2-TiC$ Composite by Self-Propagating High Temperature Synthesis Method
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.
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