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- Ti 및 Si 혼합 분말의 전기방전소결에 의한 Titanium Silicide의 합성 연구
- 천연욱, 오낙현, 김영훈, 변창섭, 이상호, 이원희
- Synthesis of Titanium Silicide by Electro-Discharge-Sintering of Ti and Si Powder Mixture
- Y. Cheon, N. Oh, Y. Kim, C. Byun, S. Lee, W. Lee
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Journal of Korean Powder Metallurgy Institute 2005;12(6):447-452
DOI: https://doi.org/10.4150/KPMI.2005.12.6.447
1세종대학교 신소재공학과
2세종대학교 신소재공학과
3세종대학교 신소재공학과
4한밭대학교 신소재공학과
5한밭대학교 신소재공학과
6세종대학교 신소재공학과
1Department of Advanced Materials Engineering, Sejong University
2Department of Advanced Materials Engineering, Sejong University
3Department of Advanced Materials Engineering, Sejong University
4Department of Materials Engineering, Hanbat University
5Department of Materials Engineering, Hanbat University
6Department of Advanced Materials Engineering, Sejong University
2세종대학교 신소재공학과
3세종대학교 신소재공학과
4한밭대학교 신소재공학과
5한밭대학교 신소재공학과
6세종대학교 신소재공학과
1Department of Advanced Materials Engineering, Sejong University
2Department of Advanced Materials Engineering, Sejong University
3Department of Advanced Materials Engineering, Sejong University
4Department of Materials Engineering, Hanbat University
5Department of Materials Engineering, Hanbat University
6Department of Advanced Materials Engineering, Sejong University
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Abstract
The synthesis and consolidation of titanium silicide by electro-discharge-sintering has been investigated. As-received Ti powder was in flaky shape and the mean particle size was 45.0µm, whereas the mean particle size of the pre-milled Si powder with angular shape was 8.0µm. Single pulse of 2.5 to 5.0 kJ/0.34g-elemental Ti and pre-milled Si powder mixture with the composition of Ti-37.5at.% Si was applied using 300µF capacitor. The solid with Ti_5Si_3 phase has been successfully fabricated by the discharge with the input energy more than 2.5kJ in less than 129µsec. Hv values were found to be higher than 1000kgf/mm2. The formation of Ti_5Si_3 occurred through a fast solid state diffusion reaction.
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