期刊
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
卷 37, 期 2, 页码 619-623出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2016.08.039
关键词
CaTiO3; Glass ceramics; Dielectric properties; Tape casting; LTCC application
资金
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Program for Innovative Research Team in University of Ministry of Education of China [IRT_15R35]
- Research and Innovation Program for College Graduates of Jiangsu Province [KYZZ16_0233]
CaTiO3 ceramics with the addition of CaO-B2O3-SiO2 (CBS) glass (45-55 wt%) composites were sintered at 830 degrees C, 850 degrees C, 875 degrees C and 900 degrees C. To illustrate influence mechanism of the different glass contents and sintering temperatures on the properties of the composites, we focused on the multiple performances of the composites by employing different qualitative and quantitative instruments. Composites with 50 wt% glass sintered at 875 degrees C presented fairly ideal performance: the bulk density was 3.20 g/cm(3), the dielectric constant was 25.7 and the dielectric loss was 0.0009 at 7 GHz. Micro-Structure analysis of the composites showed a dense and pore-less microstructure except for few pores with size around 1 mu m. In addition, the composite could meet the shrinkage requirement of Ag electrodes and could not possibly react with Ag electrodes any more. This makes them suitable for various dielectric applications at low sintering temperature. (C) 2016 Elsevier Ltd. All rights reserved.
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