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|a 10.1002/adma.202306716
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|a eng
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|a Stüwe, Lucas
|e verfasserin
|4 aut
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|a Continuous Volumetric 3D Printing
|b Xolography in Flow
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|c 2024
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|a Text
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|a Date Revised 25.01.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Additive manufacturing techniques continue to improve in resolution, geometrical freedom, and production rates, expanding their application range in research and industry. Most established techniques, however, are based on layer-by-layer polymerization processes, leading to an inherent trade-off between resolution and printing speed. Volumetric 3D printing enables the polymerization of freely defined volumes allowing the fabrication of complex geometries at drastically increased production rates and high resolutions, marking the next chapter in light-based additive manufacturing. This work advances the volumetric 3D printing technique xolography to a continuous process. Dual-color photopolymerization is performed in a continuously flowing resin, inside a tailored flow cell. Supported by simulations, the flow profile in the printing area is flattened, and resin velocities at the flow cell walls are increased to minimize unwanted polymerization via laser sheet-induced curing. Various objects are printed continuously and true to shape with smooth surfaces. Parallel object printing paves the way for up-scaling the continuous production, currently reaching production rates up to 1.75 mm3 s-1 for the presented flow cell. Xolography in flow provides a new opportunity for scaling up volumetric 3D printing with the potential to resolve the trade-off between high production rates and high resolution in light-based additive manufacturing
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|a Journal Article
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|a continuous printing
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|a flow profile shaping
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|a volumetric 3D printing
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| 650 |
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|a xolography
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|a Geiger, Matthias
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|a Röllgen, Franz
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|a Heinze, Thorben
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|a Hecht, Stefan
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|a Linkhorst, John
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|t Advanced materials (Deerfield Beach, Fla.)
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|g 36(2024), 4 vom: 01. Jan., Seite e2306716
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