Abstract
Stereolithography-based additive manufacturing (AM) makes it possible to realize high-quality ceramic parts with various shapes. However, preparation of ceramic slurry with high solid loading, low viscosity, long-term stability, and desirable cure depth for stereolithography is still challenging. In this paper, research is carried out for revealing the effects of dispersant, solid loading, and mixing method on the stability and viscosity of the slurry. Under optimized conditions, a highly stable yttria-stabilized zirconia ceramic slurry with high solid loading (45 vol.%) was prepared by grinding with a three-roller mill. With layer thickness of 30 μm and exposure dose of 10 mJ/cm2 (10 mW/cm2 for 1 s), ceramic green bodies with complex shape were successfully fabricated. After sintering, the final ceramic parts showed well-defined shapes with high level of densification.
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Acknowledgements
This work was supported by the National Key R&D Program of China (Grant No. 2022YFE0197100), Shenzhen Science and Technology Innovation Commission (Grant No. JCYJ20190809111603608 and JCYJ20190809103803675), Post-doctoral Foundation Project of Shenzhen Polytechnic (Grant No. 6021330019K0 and 6021330011K0), Innovation Project of Shenzhen Polytechnic (Grant No. CXGC2021C0003), Natural Science Foundation of Guangdong Province, China (Grant No. 2020A1515011194 and 2019B1515120013), Guangdong Provincial General University Innovation Team Project (Grant No. 2020KCXTD047) and Graduate Innovative Research Fund of Wuhan Institute of Technology (Grant No. CX2021169).
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All authors contributed to the study’s conception and design. Material preparation and data collection were performed by YiJ, GY, JS, and WY. FG, JB, MY, and GL participated in the data analysis and logical analysis of the article. The first draft of the manuscript was written by YJ, and all authors commented an previous versions of the manuscript. All authors read and approved the final manuscript.
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Jiao, Y., Ye, G., Sun, J. et al. A comprehensive study on zirconia slurry for stereolithography-based additive manufacturing. J Sol-Gel Sci Technol 105, 827–835 (2023). https://doi.org/10.1007/s10971-022-06021-6
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DOI: https://doi.org/10.1007/s10971-022-06021-6