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240620s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202404469
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|a eng
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| 100 |
1 |
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|a Xu, Xin
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Sophisticated Structural Ceramics Shaped from 3D Printed Hydrogel Preceramic Skeleton
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a Date Revised 15.08.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Shaping ceramic materials into sophisticated architecture with 3D hierarchical structure is desirable in multiapplication yet remains challenge due to their brittle and stiff nature. Herein, a new method to achieve ceramic architectures with unsupported and large-spanning structure by shaping vat photopolymerization 3D printed hydrogel preceramic skeleton with unique flexible and deformable character is proposed. Specifically, the present photopolymerizable hydrogel preceramic achieves one stone, two birds: the photosensitive polymer matrix coupled with ceramic nanoparticles for the first shaping by vat photopolymerization 3D printing and the secondary plasticity of the 3D printed ceramic body through flexible shape deformation of hydrogel networks. Inorganic binder aluminum dihydrogen phosphate serves as hydrogel dispersion medium to achieve ultralow shrinkage photopolymerization ceramic. Compared with conventional polymer-derived photocuring ceramics, the linear shrinkage of lamina structure is solely 2%, and which of cubic ceramic structure is just 13.3%. More importantly, one 3D printed preceramic is conducted to reshape repeatedly myriad constructions, realizing reusability of intrinsic brittle ceramic, improving manufacturing fault tolerance rate. Finally, a variety of paradigms for ceramic structure applications are proposed toward stereo circuit, biomedicine, and catalytic applications, breaking the limitation of intrinsic brittleness of ceramic in high-precision manufacturing of complex ceramic devices
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|a Journal Article
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|a high‐precision manufacturing
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| 650 |
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|a reconfigurable hydrogel preceramic
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| 650 |
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|a stereoscopic ceramics
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|a vat photopolymerization 3D printing
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| 700 |
1 |
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|a Wang, Yixian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Desheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Xingxing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Yaozhong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Pan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Xiaolong
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 33 vom: 20. Aug., Seite e2404469
|w (DE-627)NLM098206397
|x 1521-4095
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|g volume:36
|g year:2024
|g number:33
|g day:20
|g month:08
|g pages:e2404469
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|u http://dx.doi.org/10.1002/adma.202404469
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