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High-precision printing of intricately shaped kaolin ceramics by digital light processing: Impact of solid content on microstructure and densification

文献类型：期刊论文

作者Hussain, M. Irfan1; Xia, Min1; Ren, Xiao-Na1; Ge, Changchun1; Zhao, Yunsong2; Shen, Zhen3
刊名JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
出版日期2024-05-01
卷号30页码:2299-2310
关键词DLP 3D printing Kaolin ceramic Solid content Complex shapes Shrinkage
ISSN号2238-7854
DOI10.1016/j.jmrt.2024.03.227
通讯作者Xia, Min(xmdsg@ustb.edu.cn) ; Ge, Changchun(ccge@mater.ustb.edu.cn) ; Zhao, Yunsong(yunsong.zhao@biam.ac.cn)
英文摘要High-precision microfabrication of functional ceramics with complex shapes and tailored properties currently arouse significant attention, but maintaining dimensional accuracy is still a research challenge. Herein, an innovative digital light processing (DLP) 3D technology is employed to fabricate calcined kaolin (Al2O3 & sdot;2SiO2) ceramic with intricate structures, achieving high precision and densification. To illustrate the potential of different solid content slurries (43, 45, 46.2, and 47.5 vol%), and the curing thickness with tuned exposure time (8s, 10s, and 12s), we investigated their impact on physical properties and microstructures. The results show that the optimal sintering at 1200 degrees C achieved an exceptionally high density 2.38 g/cm3, with low shrinkage (17.35 %) along XY-direction and porosity reaching up to 15.53%. The highest level of solids slurry at 47.5 vol% increased the densification and open porosity. For all solid contents, the shrinkage along the Z-direction was exceeded compared to the XY-direction. A comprehensive evaluation of sintered morphologies, including their topography and chemical composition. The EDX mapping showed that kaolin ceramics have excellent stability at high temperatures. The highest flexural strength of DLP printed specimen at temperature (1200 degrees C) is 71.60 MPa, whereas that of the diamond porous structure is 6.66 MPa. Our work sheds light on high-precision microfabrication of complex shapes with unparalleled accuracy and efficiency, paving the way for high-performance functional ceramic materials.
WOS关键词MECHANICAL-PROPERTIES ; 3D ; FABRICATION ; SIZE
资助项目Research Fund of the Institute of Powder Metallurgy and Advanced Ceramics, USTB, China ; National Natural Science Foundation of China[52374360] ; National Natural Science Foundation of China[92360307] ; National Natural Science Foundation of China[92267103]
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:001227061400002
出版者ELSEVIER
资助机构Research Fund of the Institute of Powder Metallurgy and Advanced Ceramics, USTB, China ; National Natural Science Foundation of China
源URL[http://ir.ia.ac.cn/handle/173211/58427]  
专题自动化研究所_复杂系统管理与控制国家重点实验室_先进控制与自动化团队
通讯作者Xia, Min; Ge, Changchun; Zhao, Yunsong
作者单位1.Univ Sci & Technol Beijing, Inst Powder Met & Adv Ceram, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
2.Beijing Inst Aeronaut Mat, Sci & Technol Adv High Temp Struct Mat Lab, Beijing 100095, Peoples R China
3.Chinese Acad Sci, Inst Automat, Beijing Engn Res Ctr Intelligent Syst & Technol, State Key Lab Multimodal Artificial Intelligence S, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Hussain, M. Irfan,Xia, Min,Ren, Xiao-Na,et al. High-precision printing of intricately shaped kaolin ceramics by digital light processing: Impact of solid content on microstructure and densification[J]. JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,2024,30:2299-2310.
APA Hussain, M. Irfan,Xia, Min,Ren, Xiao-Na,Ge, Changchun,Zhao, Yunsong,&Shen, Zhen.(2024).High-precision printing of intricately shaped kaolin ceramics by digital light processing: Impact of solid content on microstructure and densification.JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,30,2299-2310.
MLA Hussain, M. Irfan,et al."High-precision printing of intricately shaped kaolin ceramics by digital light processing: Impact of solid content on microstructure and densification".JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T 30(2024):2299-2310.

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来源：自动化研究所

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