Aqueous tape casting processing of low dielectric constant cordierite-based glass-ceramics—selection of binder |
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| Affiliation: | 1. Technical University Bergakademie Freiberg, Faculty of Materials Science and Technology, Institute of Ceramic Materials, 09596 Freiberg, Germany;2. Department of Ceramics and Glass Engineering, University of Aveiro, 3810-193 Aveiro, Portugal;3. Department of Chemistry, University of Oslo, P.O. Box 1033, Blindern, N-0315 Oslo, Norway;1. National Research Center, Ceramics Dept., El-Bohous Str., 12622 Cairo, Egypt;2. National Research Center, Inorganic Chemistry Dept., El-Bohous Str., 12622 Cairo, Egypt;1. Materials Engineering Unit (UAEMa), Federal University of Campina Grande (UFCG), Av. Aprígio Veloso, no. 882, Bodocongó, Campina Grande, PB 58109-970, Brazil;2. Department of Electrical Engineering (DEE), Federal University of Campina Grande (UFCG), Av. Aprígio Veloso, no. 882, Bodocongó, Campina Grande, PB 58109-970, Brazil;1. Additive Manufacturing Institute, Shenzhen University, Shenzhen, 518060, China;2. Guangdong Key Laboratory of Electromagnetic Control and Intelligent Robotics, College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen, 518060, China;3. College of Mechanical & Electrical Engineering, National Taipei University of Technology, 10608, Taipei, Taiwan;1. State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, China |
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| Abstract: | In this paper, four different binders were investigated in the process of aqueous tape casting of cordierite-based glass-ceramics and their effects on the rheological behaviour of the suspensions and on the microstructures of the green tapes were compared. Meanwhile, a good compatibility between the dispersant and binder was found to be a predominant factor to obtain an optimised cordierite glass-ceramic tape. The microstructure of the green tape was observed by SEM and the weight loss during binder burn out process was determined by DTA/TG. The dielectric constant and dielectric loss of the sintered tapes (at 1150 °C for 2 h) was also measured. |
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