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Low temperature sintering process, phase evolution and dielectric properties of BaTi4O9-filled B–La–Mg–Ti–O glass/ceramic composites
Ren, Haishen1,2; Yao, Xiaogang1; Xie, Tianyi1,3; Dang, Mingzhao1,2; Peng, Haiyi1,2; Jiang, Shaohu1; Lin, Huixing1; Luo, Lan1
2017
Source PublicationJournal of Materials Science: Materials in Electronics
ISSN09574522
Volume28Issue:24Pages:18646-18655
AbstractLow temperature co-fired ceramics composite is fabricated by mixing B2O3–La2O3–MgO–TiO2(BLMT) glass matrix with BaTi4O9ceramic filler and the influence of the filler on sintering behavior, phase composition, microstructure and dielectric properties of the composite is investigated. The results show that the densification of composites can be achieved at 860 °C for 20 min by three-stage reactive liquid assisted sintering process, consisting of glass redistribution and local grains rearrangement, viscous flow, and solid state sintering and closure of pores. The XRD patterns exhibit that the main phase of all samples is LaBO3phase formed from the crystallization of BLMT glass and the secondary phases have changed due to chemical reaction between BLMT glass and BaTi4O9forming two new phases BaTi(BO3)2and TiO2during sintering. Meanwhile, the microstructure results indicate that the reaction helps to eliminate the closed pores in composites. As the filler is increased, the dielectric constant and quality factor firstly increases and then decreases, while the temperature coefficient of resonant frequency increases. Typically, the 30 wt% BaTi4O9-filled BLMT glass composite sintered at 860 °C for 20 min displays dielectric properties of ΕΕr= 20.49, Q × f = 24000 GHz and ττf= +145 ppm/°C. © 2017, Springer Science+Business Media, LLC.
DOI10.1007/s10854-017-7814-5
EI Accession Number20173704149707
EI KeywordsSintering
EI Classification Number641.1 Thermodynamics - 804.2 Inorganic Compounds - 812.1 Ceramics - 812.3 Glass - 931.2 Physical Properties of Gases, Liquids and Solids - 951 Materials Science
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25695
Collection中国科学院上海硅酸盐研究所
Affiliation1.Key Laboratory of Inorganic Functional Material and Device, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.Department of materials, Chongqing University of Technology, Chongqing; 400050, China
Recommended Citation
GB/T 7714
Ren, Haishen,Yao, Xiaogang,Xie, Tianyi,等. Low temperature sintering process, phase evolution and dielectric properties of BaTi4O9-filled B–La–Mg–Ti–O glass/ceramic composites[J]. Journal of Materials Science: Materials in Electronics,2017,28(24):18646-18655.
APA Ren, Haishen.,Yao, Xiaogang.,Xie, Tianyi.,Dang, Mingzhao.,Peng, Haiyi.,...&Luo, Lan.(2017).Low temperature sintering process, phase evolution and dielectric properties of BaTi4O9-filled B–La–Mg–Ti–O glass/ceramic composites.Journal of Materials Science: Materials in Electronics,28(24),18646-18655.
MLA Ren, Haishen,et al."Low temperature sintering process, phase evolution and dielectric properties of BaTi4O9-filled B–La–Mg–Ti–O glass/ceramic composites".Journal of Materials Science: Materials in Electronics 28.24(2017):18646-18655.
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