| 以Fe2O3作晶核剂的尾矿玻璃陶瓷晶化研究 |
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| 引用本文： | 张术根,韦奇,王大伟.以Fe2O3作晶核剂的尾矿玻璃陶瓷晶化研究[J].硅酸盐通报,1999,18(4):76-80. |
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| 作者姓名： | 张术根 韦奇 王大伟 |
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| 作者单位： | 中南工业大学,长沙,410083 |
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| 摘 要： | 运用差热分析（ＤＴＡ）、扫描电镜（ＳＥＭ）、Ｘ射线衍射（ＸＲＤ）、能谱分析（ＥＤＡＸ）等测试手段，研究了以 Ｆｅ２Ｏ３作晶核剂时ＣａＯ－Ａｌ２Ｏ３－ＳｉＯ２系统尾矿玻璃陶瓷析晶特征。结果表明，Ｆｅ２Ｏ３降低了玻璃整体析晶温度，并在热处理时诱导玻璃分组，从而促进成核和晶相生长。合理控制热处理条件可获得性能良好的尾矿玻璃陶瓷材料。
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| 关 键 词： | 玻璃陶瓷 分相 成核 析晶 |
The Study on Crystallization of Glass-Ceramics with Fe2O3 as Nucleation Agent |
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| Zhang Shugen,Wei Qi,Wang Dawei.The Study on Crystallization of Glass-Ceramics with Fe2O3 as Nucleation Agent[J].Bulletin of the Chinese Ceramic Society,1999,18(4):76-80. |
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| Authors: | Zhang Shugen Wei Qi Wang Dawei |
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| Affiliation: | Central South University of Technology |
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| Abstract: | The effects of Fe2O3 on the nucleation and crystallization of CaO-Al2O3-SiO2 system tailings glass-ceramics have been studied by means of DTA,SEM,XRD,EDAX and so on.The result shows that Fe2O3 reduces the crystallization temperature of glass and induces phase separation which promotes the nucleation and crystallization of glass during heat treatment.High quality tailings glass-ceramics can be obtained as long as the heat treatment condition is appropriately controlled. |
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| Keywords: | glass-ceramics phase separation nucleation crystallization |
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