| 二次烧成对CaO-B_2O_3-SiO_2系微晶玻璃结构和性能的影响 |
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| 引用本文： | 韦鹏飞,周洪庆,朱海奎,邵辉,戴斌.二次烧成对CaO-B_2O_3-SiO_2系微晶玻璃结构和性能的影响[J].陶瓷科学与艺术,2011(3). |
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| 作者姓名： | 韦鹏飞 周洪庆 朱海奎 邵辉 戴斌 |
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| 作者单位： | 南京工业大学材料科学与工程学院; |
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| 基金项目： | 国家高技术研究发展计划(863计划)资助项目(2007AA03Z0455); 江苏省产学研科技支撑资助项目(BE2009168) |
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| 摘 要： | 研究一次和二次烧成对CaO-B2O3-SiO2(CBS)微晶玻璃的烧结性能与介电性能的影响。用X线衍射(XRD)、扫描电镜(SEM)等分析探讨二次烧成对CBS微晶玻璃的微观结构与介电性能的关系。结果表明:与一次烧成相比,二次烧成能够促进玻璃体中的小晶粒生长,试样的收缩率和体积密度有所增加,有利于介电常数提高和介质损耗的降低,且体系中没有出现新的晶相;875℃烧结的试样,X/Y轴收缩率均为14.33%,体积密度达到2.46 g/cm3,10MHz介电常数和损耗相应为6.21和3.5×10-3,热膨胀系数为11.86×10-6/℃,抗折强度为157.36MPa。
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| 关 键 词： | 二次烧成 钙硼硅玻璃 性能 |
Effects of second sintering on structure and properties of CaO-B_2O_3-SiO_2 glass ceramics |
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| WEI Pengfei,ZHOU Hongqing,ZHU Haikui,SHAO Hui,DAI Bin.Effects of second sintering on structure and properties of CaO-B_2O_3-SiO_2 glass ceramics[J].Ceramics Science & Art,2011(3). |
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| Authors: | WEI Pengfei ZHOU Hongqing ZHU Haikui SHAO Hui DAI Bin |
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| Affiliation: | WEI Pengfei,ZHOU Hongqing,ZHU Haikui,SHAO Hui,DAI Bin(College of Materials Science and Engineering,Nanjing University of Technology,Nanjing 210009,China) |
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| Abstract: | CaO-B2O3-SiO2(CBS) glass ceramics was prepared by dry-process.The effects of first sintering and second sintering on sintering properties and dielectric properties at 10 MHz were investigated.The relationships among second sintering,micro-structures and dielectric properties of CBS glass ceramics were studied by X-ray diffraction(XRD) and scanning electron microscope(SEM).The results indicated that compared with the first sintering,the second sintering had some effects on obtaining small size grain,increasi... |
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| Keywords: | second sintering CaO-B2O3-SiO2 glass properties |
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