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Influence of ZrO2 on sintering and crystallization of CaO-Al2O3-SiO2 glass-ceramics

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Abstract

ZrO2 was added into CaO-Al2O3-SiO2 glass-ceramics and the effect of ZrO2 on sintering and crystallization of CaO-Al2O3-SiO2 glass ceramics was investigated. The results show that the sintering shrinkage ratio of glass particles decreases with the increase of the content of ZrO2. ZrO2 has an unfavourable effect on sintering shrinkage ratio of glass particles. The sintering shrinkage ratio of glass particles increases with the increase of sintering temperature. The increase of sintering temperature favors the decrease of the liquid phase viscosity of glass particles. ZrO2 has little effect on crystallization of main crystalline phase (β-wollastonite). However, it promotes the crystallization at relatively low temperature.

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Correspondence to He Feng.

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Foundation item: Project(50272043) supported by the National Natural Science Foundation of China; project(2002AB077) supported by the Natural Science Foundation of Hubei Province

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He, F., Niu, F. & Lou, Gh. Influence of ZrO2 on sintering and crystallization of CaO-Al2O3-SiO2 glass-ceramics. J Cent. South Univ. Technol. 12, 511–514 (2005). https://doi.org/10.1007/s11771-005-0113-y

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  • DOI: https://doi.org/10.1007/s11771-005-0113-y

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