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	Influence of heat treatment temperature on the crystallization of MgO-ZnO-Al/sub 2/O/sub 3/-SiO/sub 2/ glass
	Li Xiaodong ; Tian Jiemo ; Wang Chen ; Dong Limin
	2010-05-10 ; 2010-05-10
关键词	Experimental/ aluminium compounds aluminosilicate glasses crystallisation differential thermal analysis glass transition heat treatment magnesium compounds nucleation phase separation scanning electron microscopy silicon compounds X-ray diffraction zinc compounds/ heat treatment temperature crystallization glass differential thermal analysis DTA X-ray diffraction XRD scanning electronic microscope SEM glass phase separation MgO middot Al/sub 2/O/sub 3/ middot 3SiO/sub 2/ crystal phase MgO middot Al/sub 2/O/sub 3/ middot 4SiO/sub 2/ crystal phase one-step heat treatment two-step heat treatment nucleation ZnAl/sub 2/O/sub 4/ crystal phase MgAl/sub 2/O/sub 4/ crystal phase beta -quartz crystal phase 800 degC 820 degC 900 degC MgO-ZnO-Al/sub 2/O/sub 3/-SiO/sub 2// A6470P Glass transitions A6475 Solubility, segregation, and mixing A6460Q Nucleation in phase transitions A6140D Structure of glasses A8140G Other heat and thermomechanical treatments/ temperature 1.07E+03 K temperature 1.09E+03 K temperature 1.17E+03 K/ MgOZnOAl2O3SiO2/ss Al2O3/ss SiO2/ss Al2/ss Al/ss Mg/ss O2/ss O3/ss Si/ss Zn/ss O/ss
中文摘要	The influence of heat treatment temperature on the crystallization of MgO-ZnO-Al/sub 2/O/sub 3/-SiO/sub 2/ glass was investigated by differential thermal analysis (DTA), X-ray diffraction analysis (XRD) and scanning electronic microscope (SEM). The results show that: when one-step heat treatment process is adopted and the temperature is 800 degrees C, the glass phase generates phase separation. When the temperature is increased from 820 degrees C to 900 degrees C, the glass is crystallized and the crystal phases are MgO middot Al/sub 2/O /sub 3/ middot 3SiO/sub 2/ and MgO middot Al/sub 2/O/sub 3/ middot 4SiO/sub 2/ respectively. When two-step heat treatment process is adopted and the nucleating temperature of the glass is 800 degrees C, with the increase of crystallization temperature from 950 degrees C to 1050 degrees C, the crystal phases are ZnAl/sub 2/O/sub 4/, MgAl/sub 2/O/sub 4/ and beta -quartz.
语种	中文 ; 中文
出版者	Northwest Inst. Nonferrous Met. Res ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/21705]
专题	清华大学
推荐引用方式 GB/T 7714	Li Xiaodong,Tian Jiemo,Wang Chen,et al. Influence of heat treatment temperature on the crystallization of MgO-ZnO-Al/sub 2/O/sub 3/-SiO/sub 2/ glass[J],2010, 2010.
APA	Li Xiaodong,Tian Jiemo,Wang Chen,&Dong Limin.(2010).Influence of heat treatment temperature on the crystallization of MgO-ZnO-Al/sub 2/O/sub 3/-SiO/sub 2/ glass..
MLA	Li Xiaodong,et al."Influence of heat treatment temperature on the crystallization of MgO-ZnO-Al/sub 2/O/sub 3/-SiO/sub 2/ glass".(2010).

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