Slurry flow characteristics control of 3D printed ceramic core layered structure: Experiment and simulation
文献类型：期刊论文
| 作者 | Li, Qiaolei1,4; Qiu, Yuxiang1,4; Hou, Weiqiang1,5; Liang, Jingjing1,2; Mei, Hui3; Li, Jinguo1,2; Zhou, Yizhou1; Sun, Xiaofeng1 |
| 刊名 | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
 |
| 出版日期 | 2023-11-20 |
| 卷号 | 164页码:215-228 |
| 关键词 | 3D printing Ceramic cores Slurry flow Lamellar structure Porosity evolution |
| ISSN号 | 1005-0302 |
| DOI | 10.1016/j.jmst.2023.02.065 |
| 通讯作者 | Liang, Jingjing(jjliang@imr.ac.cn) ; Li, Jinguo(jgli@imr.ac.cn) |
| 英文摘要 | Vat photopolymerization 3D printing ceramic technology provides a feasible process for the preparation of complex internal cooling channels for aeroengine single crystal superalloy hollow blades. However, the typical layered structure characteristics of 3D printing ceramic technology led to the anisotropy of ceramic core strength and sintering shrinkage, which greatly affects the performance and accuracy of the complex structure core and requires further research and improvement. Herein, the influence of the thickness of the slurry layer on the flow characteristics of the slurry in the process of the vat photopolymerization 3D printing slurry spreading was systematically studied by the method of simulation and experiment. The simulation results show that the positions of the turbulent zone and maximum velocity zone in the scraper front affect the redistribution of powder particles with different sizes. The layered structure was caused by the redistribution of ceramic particles of different sizes in the slurry layer. By controlling the turbulent flow zone and the maximum velocity zone of the scraper leading edge, the phenomenon of laminar flow can be weakened and the particle redistribution can be improved. With the increase of the thickness of the printing layer, the layered structure appears gradually, and the pores at the interface of the layered structure gradually concentrated into the interfacial pore lines from the uniform distribution, and the crack propagation changes from intergranular micro-crack to interlayer macro-crack. The combination of finite element simulation and experiment, through the slurry flow characteristics to control the layered structure of reductive vat photopolymerization ceramic core 3D printing, the control of crack propagation mode, element distribution and pore evolution of the core was accomplished, which lays a foundation for the performance control of ceramic 3D printing technology.& COPY; 2023 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology. |
| 资助项目 | Natural Science Foundation of China[U22A20129] ; National Science and Technology Major Project[2017-VI-0 0 02-0 072] ; National Key Research and Development Program of China ; Fundamental Research Funds for the Central Universities ; Students' Innovation and Entrepreneurship Foundation of USTC[2018YFB1106600] ; Students' Innovation and Entrepreneurship Foundation of USTC[WK5290000003] ; [CY2022G10] ; [CY2022C24] |
| WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001030616900001 |
| 出版者 | JOURNAL MATER SCI TECHNOL |
| 资助机构 | Natural Science Foundation of China ; National Science and Technology Major Project ; National Key Research and Development Program of China ; Fundamental Research Funds for the Central Universities ; Students' Innovation and Entrepreneurship Foundation of USTC |
| 源URL | [http://ir.imr.ac.cn/handle/321006/178558]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Liang, Jingjing; Li, Jinguo |
| 作者单位 | 1.Chinese Acad Sci, Inst Met Res, Shi changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China 2.CAS Key Lab, Space Mfg Technol, Beijing 100094, Peoples R China 3.Northwestern Polytech Univ, Sch Mat Sci & Engn, Sci & Technol Thermostructural Composite Mat Lab, Xian 710072, Peoples R China 4.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 5.Shenyang Univ Technol, Sch Mat Sci & Engn, Shenyang 110870, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Qiaolei,Qiu, Yuxiang,Hou, Weiqiang,et al. Slurry flow characteristics control of 3D printed ceramic core layered structure: Experiment and simulation[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2023,164:215-228. |
| APA | Li, Qiaolei.,Qiu, Yuxiang.,Hou, Weiqiang.,Liang, Jingjing.,Mei, Hui.,...&Sun, Xiaofeng.(2023).Slurry flow characteristics control of 3D printed ceramic core layered structure: Experiment and simulation.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,164,215-228. |
| MLA | Li, Qiaolei,et al."Slurry flow characteristics control of 3D printed ceramic core layered structure: Experiment and simulation".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 164(2023):215-228. |
入库方式： OAI收割
来源：金属研究所
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