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J. Korean Ceram. Soc. > Volume 45(7); 2008 > Article
Journal of the Korean Ceramic Society 2008;45(7): 401.
doi: https://doi.org/10.4191/kcers.2008.45.7.401
Willemite 분말의 저온합성
손세구, 이지현, 이정미, 김영도
거화이에스알 기술연구소
Low Temperature Synthesis of Willemite Powder
Se-Gu Son, Ji-Hyeon Lee, Jeong-Mi Lee, Young-Do Kim
GEOHWA E.S.R Research Center
Willemite ($Zn_2SiO_4$) are a wide range of applications such as a phosphor host and an important crystalline phase in glass ceramics, electrical insulators, glazes, and pigments. In this study, Willemite precursors were synthesized with zinc silicate gels from mixture of zinc nitrate solution and various sodium silicate solution by the geopolymer technique. To examine the crystallization behavior, precursors were have been monitored by the XRD. A pure willemite phase was obtained at $900^{circ}C$. TEM investigations revealed that the sample with 50 nm particle size was obtained via heat-treated at $900^{circ}C$ for W-3.
Key words: Geopolymer technique, Willemite, Nano size, Crystallization behavior
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