| SHS 마이크로파에 의한 Ti-C-SiC 계 복합체의 합성 및 소결 특성에 관한 연구 |
| 김형근, 이재원, 박성, 이형복 |
| 명지대학교 무기재료공학과 |
| Study on Synthesis and Composite by SHS Microwave |
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| ABSTRACT |
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A composite materials was prepared by the SHS method using addition of presynthesized SiC to the systems Ti-C which leads to the Ti-C-SiC composites. Sintering conditions were 156$0^{circ}C$ 30MPa for hour. After sintering the composites consist of TiC, SiC and TiSi2 with increasing SiC contents(5, 15, 20 and 30 wt%) TiSi2 also increases whereas the Ti content decreases. According to the temperature profiles an addition of 5wt% SIC raises the formation temperature up to 2972$^{circ}C$ with 15wt% SiC show composites of the system Ti-C-SiC an optimum of their properties ; for examples a fired density of 4.10g/cm3 modulus of rupture 443.5 MPa and Kk-53MPa.m1/2 |
| Key words:
SiC, SHS microwave, TiSi2, Hot press, Temperature profile, Ti-C-SiC composite |
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