期刊
CERAMICS INTERNATIONAL
卷 45, 期 11, 页码 14006-14014出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2019.04.100
关键词
Silicon carbide; Stereolithography; Additive manufacturing; Precursor infiltration and pyrolysis
资金
- National Natural Science Foundation of China [51772028]
- Beijing Natural Science Foundation [2182064]
- Young Elite Scientist Sponsorship (YESS) Program, CAST [2015QNRC001]
- Open Research Fund of Key Laboratory of Space Utilization, Chinese Academy of Sciences [LSU_ZHBZ2017_01]
- State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology [P2020-005]
- program of China Scholarships Council [201806035020]
Stereolithography based additive manufacturing provides a new route to produce ceramic architectures with complex geometries. In this study, 3D structured SiC ceramic architectures were fabricated by stereolithography based additive manufacturing combined with precursor infiltration and pyrolysis (PIP). Firstly, photosensitive SiC slurry was prepared. Then, stereolithography was conducted to fabricate complex-shaped green SiC parts. Polymer burn-out was subsequently performed, and porous SiC preforms were produced. After that, precursor infiltration and pyrolysis was used to improve the density and strength. Finally, 3D-structured SiC ceramic architectures with high accuracy and quality were obtained. It is believed that this study can give some fundamental understanding for the additive manufacturing of SiC ceramic structures.
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