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J. Korean Ceram. Soc. > Volume 40(3); 2003 > Article
Journal of the Korean Ceramic Society 2003;40(3): 249.
doi: https://doi.org/10.4191/kcers.2003.40.3.249
Al-AlN계 질화반응에 대한 표면개질 및 첨가제의 영향
유재영, 김용남1, 황명익1, 박정현1
한국과학기술정보연구원 부품소재정보실
1연세대학교 세라믹공학과
Effect of Surface Modification and Additives on Nitridation of Al-AlN System
AI, AIN and additives such as Li$_2$CO$_3$, Y$_2$O$_3$ and CaCO$_3$ which promoted nitridation were mixed, formed and heat-treated in nitrogen atmosphere. The effect of solvent, additive and temperature on nitridation of AI-AIN system was studied. When ethanol containing 1 wt% oleic acid was used as a mixing solvent, the formation of oxide was minimized due to surface modification of AI and AIN particles. The addition of Li$_2$CO$_3$ or CaCO$_3$ as an additive extremely diminished the formation of oxide which formed during heat treatment for nitridation compared with the addition of Y$_2$O$_3$.
Key words: Al-AlN system, Nitridation, Oleic acid, Surface modification, Additive
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