Digital light processing-stereolithography three-dimensional printing of yttria-stabilized zirconia |
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| Affiliation: | 1. Swiss Federal Laboratories for Materials Science and Engineering, Empa, Überlandstrasse 129, 8600 Dübendorf, Switzerland;2. IQS School of Engineering, Universitat Ramon Llull, Via Augusta 390, 08017 Barcelona, Spain;1. Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, PR China;2. State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, PR China;3. Beijing Key Laboratory of Lightweight Multi-functional Composite Materials and Structures, Beijing Institute of Technology, Beijing, 100081, PR China;4. School of Mechanical and Automotive Engineering, Anhui Polytechnic University, Wuhu, 241000, PR China;1. School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, Guangdong, China;2. Epstein Department of Industrial and Systems Engineering, University of Southern California, Los Angeles, CA, USA |
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| Abstract: | Digital light processing (DLP)-stereolithography three-dimensional (3D) printing is a well known technique for fabricating components with complex geometries. However, the application of DLP 3D printing to functional ceramics such as 8 mol% yttria-stabilized zirconia (8YSZ), which is one of the most extensively used electrolyte materials for solid oxide fuel cells, is still a great challenge. Therefore, the fabrication of fully 8YSZ monoliths via DLP 3D printing was attempted herein, including the preparation of UV-curable ceramic suspensions, shaping of green bodies, and debinding and sintering. The results show that intact green bodies printed using a 30 vol% 8YSZ-photosensitive resin suspension with 0.1 wt% oleic acid as the dispersant under the optimized printing conditions was sufficiently dense without connected pores after vacuum debinding and sintering in air. The successful fabrication of 8YSZ monoliths with design flexibility via 3D printing provides a simple method for preparing functional ceramic components and may expand the application of 3D printing technology to the energy field. |
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| Keywords: | Stereolithography Digital light processing 3D printing Yttria-stabilized zirconia UV-Curable ceramic suspensions Rheological behavior |
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