Tape casting of ferroelectric,dielectric, piezoelectric and ferromagnetic materials |
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| Affiliation: | 1. Department of Materials Engineering, Indian Institute of Science, Bangalore 560012, India;2. Centre for Converging Technologies (CCT), University of Rajasthan, JLN Marg, Jaipur, Rajasthan 302004, India;3. Defence Metallurgical Research Laboratory, Kanchanbagh, Hyderabad 500058, India;4. Forschungsneutronenquelle Heinz Maier-Leibnitz (FRM II), Technische Universität München, Lichtenbergestrasse 1, D-85747 Garching b. München, Germany;1. Department of Materials Science and Engineering, Virginia Tech, Blacksburg, VA 24061 USA;2. Center for Power Electronics Systems, Virginia Tech, Blacksburg, VA 24061 USA;3. The Bradley Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA 24061 USA;1. State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, China;2. Department of Mechanical Engineering, University of Bath, Bath BA2 2ET, United Kingdom;1. Institute for Superconducting and Electronic Materials (ISEM), Australian Institute of Innovative Materials, University of Wollongong, NSW 2500, Australia;2. Electronic Materials Research Laboratory (EMRL), Key Laboratory of the Ministry of Education and International Center for Dielectric Research, Xi’an Jiaotong University, Xi’an 710049, China;3. State Key Lab Silicate Materials for Architecture, Center for Smart Materials and Device Integration, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China;4. State Key Laboratory for New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China |
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| Abstract: | Tape casting is a feasible method for preparing ceramic tapes with different electrical and magnetic properties for multilayer ceramic devices. This paper describes the tape casting process for several different electroceramic materials (BST, PZT, NZF and ZSB) utilising similar organic additive and solvent systems. The properties of tapes with different ceramic compositions before and after sintering are investigated, including surface roughness, shrinkage and microstructures. The parameters affecting the casting, shrinkage, lamination, thickness and tensile strength of green tape are also presented. This enables process design for tape which can be used in devices with true integration of dielectric and piezoelectric, ferroelectric and ferromagnetic layers in 3-dimensional multilayer structures. |
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