| 微粉微晶玻璃的致密烧结与析晶 |
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| 引用本文： | 俞平利,陈文水,刘培德.微粉微晶玻璃的致密烧结与析晶[J].华侨大学学报(自然科学版),2011,32(1):53-57. |
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| 作者姓名： | 俞平利 陈文水 刘培德 |
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| 作者单位： | 华侨大学,材料科学与工程学院,福建,泉州,362021 |
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| 基金项目： | 福建省自然科学基金资助项目(D0610014); 华侨大学科研基金资助项目(08HZR02) |
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| 摘 要： | 采用R2O-CaO-MgO-Al2O3-SiO2系统,制备微粉微晶玻璃.研究合理的烧结、析晶温度制度,以及升温速率、粉体粒度对玻璃析晶、显微结构的影响,探讨提高微晶玻璃的晶体质量分数和致密度、优化微晶玻璃显微结构的途径.结果表明,采用微粉制备辉石族矿物为主晶相微晶玻璃时,粉体的巨大表面积使微晶化进程变得更加容易,晶化处...
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| 关 键 词： | 微粉微晶玻璃 致密烧结 析晶 升温速率 粉体粒度 |
Studying about Densification by Sintered and Crystallization of Tiny Powder Glass-Ceramics |
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| YU Ping-li,CHEN Wen-shui,LIU Pei-de.Studying about Densification by Sintered and Crystallization of Tiny Powder Glass-Ceramics[J].Journal of Huaqiao University(Natural Science),2011,32(1):53-57. |
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| Authors: | YU Ping-li CHEN Wen-shui LIU Pei-de |
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| Institution: | YU Ping-li,CHEN Wen-shui,LIU Pei-de (College of Material Science and Engineering,Huaqiao University,Quanzhou 362021,China) |
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| Abstract: | Glass ceramics have been made from tiny glass powders of R2O-CaO-MgO-Al2O3-SiO2.Temperature-time schedule for sinter and crystallization was studyed.Influence of heating-up rate and particle size on the crystallization and microstructure of glass were investigated.Methods of increasing degree of densification and crystallization volume,and ways of improving microstructure of glass-ceramics were discussed.The results showed that during the process of making tiny glass powder into pyroxene glass-ceramics,huge... |
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| Keywords: | tiny powder glass-ceramics density sinter crystallization heating-up rate particle size |
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