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J. Korean Ceram. Soc. > Volume 42(9); 2005 > Article
Journal of the Korean Ceramic Society 2005;42(9): 607.
doi: https://doi.org/10.4191/kcers.2005.42.9.607
TiB2 나노 입자의 연소합성 시 MgO 희석제가 미치는 영향
이병기, 이종무, 박제형, 강을손1, 백승수1, 김도경
한국과학기술원 신소재공학과
1국방과학연구소
Effect of MgO Diluents in Combustion Synthesis of TiB2 Nano Particles
Byung-Ki Lee, Jong-Moo Lee, Je-Hyeong Park, Eul-Son Kang1, Seung-Soo Baek1, Do-Kyung Kim
Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology
1Agency for Defense Development
ABSTRACT
The effect of MgO diluents in combustion synthesis of $TiB_2$ nano particles was investigated. The reaction $TiO_2;+;B_2O_3;+;xMg;{rightarrow};TiB_2;+;5MgO$ was used to synthesize $TiB_2$ nano particles. The combustion velocity was measured to examine the relation between the reaction temperature and the morphologies of particles. The diluent MgO did not react with the reactants and played a role to decrease combustion temperature. As the MgO diluents contents increased, the particles with the smaller size and the narrower size distribution were synthesized. At the condition of 6 mole of MgO, the combustion wave velocity was about 5 cm/see and the synthesized particles showed the size of 60 nm with narrow size distribution.
Key words: Combustion, Diluents, Nano particles
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