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J. Korean Ceram. Soc. > Volume 47(6); 2010 > Article
Journal of the Korean Ceramic Society 2010;47(6): 560.
doi: https://doi.org/10.4191/kcers.2010.47.6.560
가압 소결법으로 합성된 Ti3SiC2 소결체의 기계적 특성
조경선, 황성식, 권혁보1, 박상환
한국과학기술연구원 기능재료센터
1경남대학교 환경공학과
Mechanical Properties of Bulk Ti3SiC2 Synthesized by a Hot Press Sintering
Gyoung-Sun Cho, Sung-Sic Hwang, Huck-Bo Kwon1, Sang-Whan Park
Functional Materials Center, Korea Institute of Science and Technology
1Department Environmental Engineering, Kyungnam University
ABSTRACT
Nano laminated bulk $Ti_3SiC_2$ was synthesized by hot press process using TiCx/Si powder mixture at the temperature range of $1300^{circ}Csim1500^{circ}C$. 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 $1000^{circ}C$.
Key words: Bulk $Ti_3SiC_2$, Mechanical property, Synthesis, Hot press
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