Direct ink writing of cordierite ceramics with low thermal expansion coefficient |
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| Affiliation: | 1. School of Materials Science and Engineering, Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education, Tianjin University, Tianjin 300072, China;2. Aerospace Institute of Advanced Materials & Processing Technology, Beijing 100074, China;3. School of Chemistry and Chemical Engineering, State Key Laboratory of Hollow-fiber Membrane Materials and Membrane Processes, Tiangong University, Tianjin 300387, China;1. School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China;2. School of Materials Science and Engineering, Shenzhen University, Shenzhen, 518055, China;1. GuangXi Key Laboratory of New Energy and Building Energy Saving, Guilin University of Technology, Guilin, 541004, China;2. College of Civil and Architectural Engineering, Guilin University of Technology, Guilin, 541004, China;3. Guangxi Engineering and Technology Center for Utilization of Industrial Waste Residue in Building Materials, Guilin University of Technology, Guilin, 541004, China;1. Materials Technology Group, Brazilian Navy Research Institute, IPqM, Rua Ipiru 2, Ilha do Governador, CEP: 21.931-095, Rio de Janeiro, RJ, Brazil;2. Department of Inorganic Chemistry, Chemistry Institute, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos 149, Cidade Universitária, CEP: 21.044-020, Rio de Janeiro, RJ, Brazil;3. Department of Inorganic Chemistry, Chemistry Institute, Universidade Federal Fluminense, Campus do Valonguinho, Outeiro de São João Batista, s/n, 24020-141, Niterói, RJ, Brazil;1. Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, 100083, China;2. State Key Lab of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China;3. School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing, 100083, China;1. Guangdong Provincial Key Laboratory of Minimally Invasive Surgical Instruments and Manufacture Technology, Guangdong University of Technology, Guangzhou, 510006, China;2. School of Electro-Mechical Engineering, Guangdong University of Technology, Guangzhou, 510006, China;3. School of Mechatronic Engineering, Guangdong Polytechnic Normal University, Guangzhou, 510665, China |
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| Abstract: | Since the application of cordierite ceramics is limited by the disadvantages of traditional preparation techniques, 3D printing technology provides the only choice for the rapid preparation of cordierite ceramics with highly complex structures. In this work, the fabrication of cordierite ceramics with complex structures was achieved by direct ink writing. The near-net-shape of cordierite ceramics was realized by the volume expansion caused by the phase transformation. A cordierite ceramic with an average shrinkage rate of 1.58 % was obtained at 1400 °C. The low shrinkage avoids design and manufacturing procedures carried out for dimensional and alignment errors. In addition, the coefficient of thermal expansion was as low as 1.69 × 10?6 °C?1. The effect of configuration on the thermal behavior of cordierite ceramics is understood by analyzing the phase composition and microstructure. The cordierites ink reported in this work offers additional possibilities for the production of novel complex structures. |
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| Keywords: | Direct ink writing Cordierites Thermal expansion Honeycomb ceramic |
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