| 复合尾矿废渣微晶玻璃析晶性能的研究 |
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| 引用本文： | 张翠玲,陆雷,江勤,王永志. 复合尾矿废渣微晶玻璃析晶性能的研究[J]. 矿冶工程, 2010, 30(1): 81-83 |
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| 作者姓名： | 张翠玲 陆雷 江勤 王永志 |
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| 作者单位： | 南京工业大学 材料科学与工程学院, 江苏 南京 210009 |
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| 摘 要： | 以钢渣、铜尾矿、粉煤灰及砂岩为主要原料, 添加少量Fe2O3和Cr2O3作为复合晶核剂, 以CaO-Al2O3-SiO2三元系、透辉石为主晶相, 采用非均匀成核制得复合尾矿微晶玻璃建筑装饰材料。利用差热分析方法(DTA)制定了复合尾矿废渣微晶玻璃的热处理制度, 采用XRD和SEM方法研究了复合尾矿废渣微晶玻璃的析晶性能。结果表明, 晶化温度在710和720 ℃时, 微晶玻璃处于分相状态, 没有晶体析出; 而晶化温度在800 ℃时, 玻璃相已成为絮状晶粒结构, 析出适量透辉石晶体。
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| 关 键 词： | 微晶玻璃 复合尾矿 晶核剂 析晶过程 |
| 收稿时间： | 2009-09-07 |
Crystallization Property of Glass-ceramics from Multiplicate Tailings |
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| ZHANG Cui-ling,LU Lei,JIANG qin,WANG Yong-zhi. Crystallization Property of Glass-ceramics from Multiplicate Tailings[J]. Mining and Metallurgical Engineering, 2010, 30(1): 81-83 |
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| Authors: | ZHANG Cui-ling LU Lei JIANG qin WANG Yong-zhi |
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| Affiliation: | College of Materials Science and Engineering, Nanjing University of Technology, Nanjing 210009, Jiangsu, China |
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| Abstract: | The building material of multi-tailings glass-ceramics was prepared by heterogeneous nucleation method with steel slags,copper tailings,fly ash and sandstone as raw materials,Fe2O3 and Cr2O3 as nucleation agents and CaO-Al2O3-SiO2 system and diopside as principal crystalline phases.Heat treatment system for the glass-ceramics was established by differential thermal analysis(DTA).The crystallization property of the glass-ceramics was investigated by XRD and SEM.The results showed that the glass-ceramics was ... |
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| Keywords: | glass-ceramics multiplicate tailings nucleation agent crystallization process |
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