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Open Access Effect of ZrO2 Doping on Properties of BaO–B2O3–SiO2 Glass-ceramics

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BaO–B2O3–SiO2 glass-ceramic with high thermal expansion behavior were prepared by a solid-state method. Thermal, mechanic, electric properties of glass-ceramic composite materials and its scanning electron microscope, X–ray diffractometer and differential scanning calorimetry were used to research the effect of ZrO2 doping on the properties of BaO–B2O3–SiO2 glass-ceramic. The results show that as the ZrO2 doped content increases, microscopic, the cristobalite phase of glass-ceramic content reduced significantly, the quartz crystal phase content increased significantly; macroscopic, the bending strength and the relative permittivity of the glass-ceramic gradually increase, the thermal expansion coefficient gradually decrease slightly, the high thermal expansion coefficient can be adjusted by doping ZrO2, the thermal expansion coefficient changes with temperature tend to be more linear, optimized the thermal properties of glass-ceramic. When sintering temperature is 950 , ZrO2 doped content is 5%, BaO–B2O3–SiO2 glass ceramics were obtained with maximum bending strength (181 MPa), higher CTE (14.21 × 10-6/), lower relative dielectric constant (6.4) and lower dielectric loss (0.4%). This glass ceramics can meet the requirement of glass ceramics low temperature co-fired ceramics package materials.
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Keywords: barium borosilicate; bending strength; cristobalite; quartz; relative permittivity dielectric; thermal expansion coefficient

Document Type: Research Article

Affiliations: State Key Laboratory of Electronic Thin Film and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, China

Publication date: 2013-12-01

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  • Journal of the Chinese Ceramic Society (JCCS), published in Chinese and in English, is a comprehensive monthly periodical focused on the fields of inorganic and non-metallic materials. The main purpose of the JCCS is to report the latest creative achievements in research, production and design for ceramics, glass, cementing materials, refractory, artificial crystals and other non-metallic materials. JCCS is regarded as an important journal in inorganic and non-metallic materials sciences in China and has been awarded by China Association for Science and Technology. The full-text of papers in JCCS is also published by CNKI (China National Knowledge Infrastructure). JCCS is indexed in EI Compendex, CA( Chemical Abstracts) ,SA and Ж and more than 20 databases.
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