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	Stability of Microstructure and Properties of Transparent Li2O-Al2O3-SiO2 Glass-ceramics
	Li Yao-Hui ; Cao Jian-Wei ; Lu Jin-Shan ; Liang Kai-Ming
	2010-10-12 ; 2010-10-12
关键词	Li2O-Al2O3-SiO2 glass-ceramics stability microstructure property CRYSTALLIZATION BEHAVIOR THERMAL-EXPANSION SYSTEM GLASS NUCLEATION VISCOSITY AGENT Materials Science, Ceramics
中文摘要	Transparent and low thermal expansion Li2O-Al2O3-SiO2 glass-ceramics were prepared by addition of TiO2 and ZrO2 as nucleation agents. The effects of heat-treatment temperature and time on the crystallization, and phase transition behavior were discussed and the stabilities of microstructure and properties were investigated by DTA, XRD and SEM. Isothermal transformation curve of the LAS glass was also measured. The results show that beta-quartz solid solution is stable in the temperature range from 750 degrees C to 900 degrees C and in long annealing time. Further more, LAS glass-ceramics have excellent stability in high temperature, which is still transparent and low thermal expansion after heat-treated at 850 degrees C for 5h. The stability of structure and properties mainly attribute to the high nucleation efficiency of the TiO2 and ZrO2 mixed nucleation agents.
语种	中文 ; 中文
出版者	SCIENCE PRESS ; BEIJING ; 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/78404]
专题	清华大学
推荐引用方式 GB/T 7714	Li Yao-Hui,Cao Jian-Wei,Lu Jin-Shan,et al. Stability of Microstructure and Properties of Transparent Li2O-Al2O3-SiO2 Glass-ceramics[J],2010, 2010.
APA	Li Yao-Hui,Cao Jian-Wei,Lu Jin-Shan,&Liang Kai-Ming.(2010).Stability of Microstructure and Properties of Transparent Li2O-Al2O3-SiO2 Glass-ceramics..
MLA	Li Yao-Hui,et al."Stability of Microstructure and Properties of Transparent Li2O-Al2O3-SiO2 Glass-ceramics".(2010).

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