| Effects of various fillers on sintering,microstructures and properties of Ca-Ba-Al-B-Si-O glass/ceramic composites简 |
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| 引用本文： | 刘明,周洪庆,刘敏,岳振星,朱海奎. Effects of various fillers on sintering,microstructures and properties of Ca-Ba-Al-B-Si-O glass/ceramic composites简[J]. 中南工业大学学报(英文版), 2014, 0(3): 843-848 |
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| 作者姓名： | 刘明 周洪庆 刘敏 岳振星 朱海奎 |
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| 作者单位： | [1]College of Materials Science and Engineering, N anjing University of Technology, Nanjing 210009, China [2]Department of Materials Science and Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, China [3]State Key Laboratory of Materials-Oriented Chemical Engineering （College of Materials Science and Engineering, Nanjing University of Technology）, Nanjing 210009, China [4]State Key Laboratory of New Ceramic and Fine Processing （Tsinghua University）, Beijing 100084, China |
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| 基金项目： | Project supported by the Priority Academic Program Development （PAPD） of Jiangsu Higher Education Institutions China; Project（CXZZ12 0415） supported by Innovation Foundation for Graduate Students of Jiangsu Province China; Project（IRT1146） supported by Changjiang Scholars and Innovative Research Team in University （PCSIRT）, China |
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| 摘 要： | Low-temperature sintering and properties of LTCC （low temperature co-fired ceramics） materials based on CaO-BaO-Al2O3-B2O3-SiO2 glass and various fillers such as Al2O3, silica glass, christobalite, AlN, ZrO2, MgO-SiO2, TiO2 were investigated. The results show that densification, crystallization, microstructures and dielectric properties of the composites are found to strongly depend on the type of filler. The densification process of glass/ceramic composites with various fillers is mainly from 600 ℃ to 925 ℃, and the initial compacting temperature of samples is 600 ℃. The initial rapid densification of samples starts at its glass softening temperature. LTCC compositions containing Al2O3, silica glass, AlN and MgO-SiO2 fillers start to have the crystallization peaks at 890, 903, 869 and 844 ℃, respectively. The crystallization peaks are believed as correlated to the crystallization of CaAl2SiO8, β-SiO2, Ca2Al2SiO7 and β-SiO2. The composite ceramic with Al2O3, silica glass and TiO2 ceramic have a better dense structure and better smooth fracture surface. Sample for Al2O3 has the lowest dielectric loss tanδ value of 0.00091, whereas the sample for MgO.SiO, has the highest dielectric loss tanδ value of 0.02576. The sample for TiO2 has the highest dielectric constant value of 14.46, whereas the sample for AIN has the lowest dielectric constant value of 4.61.
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| 关 键 词： | 复合材料性能 低温共烧陶瓷 氧化硅玻璃 低温烧结 填料 微观结构 二氧化硅 致密化过程 |
Effects of various fillers on sintering,microstructures and properties of Ca-Ba-A1-B-Si-O glass/ceramic composites |
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| LIU Ming,ZHOU Hong-qing,LIU Min,YUE Zhen-xing,ZHU Hai-kui. Effects of various fillers on sintering,microstructures and properties of Ca-Ba-A1-B-Si-O glass/ceramic composites[J]. Journal of Central South University of Technology, 2014, 0(3): 843-848 |
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| Authors: | LIU Ming ZHOU Hong-qing LIU Min YUE Zhen-xing ZHU Hai-kui |
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| Affiliation: | 1. College of Materials Science and Engineering, N anjing University of Technology, Nanjing 210009, China; 2. Department of Materials Science and Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, China; 3. State Key Laboratory of Materials-Oriented Chemical Engineering (College of Materials Science and Engineering, Nanjing University of Technology), Nanjing 210009, China; 4. State Key Laboratory of New Ceramic and Fine Processing (Tsinghua University), Beijing 100084, China Central South University Press and Springer-Verlag Berlin Heidelberg 2014) |
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| Abstract: | borosilicate glass softening temperature filler microstructures sintering dielectric properties |
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| Keywords: | borosilicate glass softening temperature filler microstructures sintering dielectric properties |
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