Effect of the slurry composition on the piezoelectric properties of PZT ceramics fabricated via materials extrusion 3D printing |
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| Affiliation: | 1. State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, Hubei, China;2. School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, Hubei, China;3. School of Logistics Engineering, Wuhan University of Technology, Wuhan, 430070, Hubei, China;4. Advanced Ceramics Institute of Zibo New & High-Tech Industrial Development Zone, Zibo, 255000, China;5. State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan, 430074, Hubei, China;6. Penn State University, University Park, PA, 16802, USA;7. Ningbo volken Technology Co., Ltd, Ningbo, 315000, Zhengjiang, China;1. Materials Science & Engineering, Texas A&M University, College Station, TX, United States;2. Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, OH, United States;1. Laboratory of Infrared Materials and Devices, The Research Institute of Advanced Technologies, Ningbo University, Ningbo, Zhejiang, 315211, China;2. EngineeringResearch Center for Advanced Infrared Photoelectric Materials and Devices of Zhejiang Province, Ningbo, Zhejiang, 315211, China;3. Institute of Ocean Engineering, Ningbo University, China;4. Leibniz Institute of Surface Engineering (IOM), Permoserstr. 15, Leipzig, D–04318, Germany;1. Inner Mongolia Key Laboratory of Ferroelectric-Related New Energy Materials and Devices, School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou, 014010, China;2. Department of Chemistry, Baotou Teachers'' College, Baotou, 014030, Inner Mongolia, China;3. College of Physics and Technology, Guangxi Normal University, Guilin, 541004, China |
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| Abstract: | Herein, the effect of the binder content in lead zirconate titanate (PZT) slurry has been systematically studied to improve the piezoelectric properties of PZT ceramics prepared via material extrusion 3D printing. For smooth printing, a slurry with a binder concentration ranging from 6 to 12 wt% was proposed. The porosity of the green body first decreased and then increased with an increase in the binder concentration, and the minimum porosity was obtained when the binder concentration reached 10 wt%. Samples with increased density were obtained after debinding and lead-rich atmosphere sintering. PZT piezoceramics fabricated using a binder content of 10 wt% exhibit the maximum relative density (96.9%), largest piezoelectric constant (342.6 pC/N) and dielectric constant (1621). Based on the above process, the wood pile structure and helical twentytetrahedral structural components were successfully fabricated using the material extrusion process. This research lays the foundation for the engineering application of 3D printing to fabricate high-performance piezoceramics with complex shapes. |
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| Keywords: | 3D printing Material extrusion PZT piezoceramic Slurry composition Piezoelectric properties |
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