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vat photopolymerization

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Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006578
EISBN: 978-1-62708-290-7
... Abstract This article presents a detailed account of the processes involved in vat-photopolymerization-based fabrication of ceramics, namely bioceramics, structural ceramics, piezoelectric ceramics, optical ceramics, and polymer-derived ceramics. Information and methods of material preparation...
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Published: 15 June 2020
Fig. 7 Schematic of vat photopolymerization More
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Published: 15 June 2020
Fig. 3 Flowchart of vat photopolymerization (VPP)-based ceramic fabrication More
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Published: 15 June 2020
Fig. 4 Material preparation in vat-photopolymerization-based ceramic fabrication. (a) Flowchart of slurry-preparation procedure. (b) Homogeneity problem in slurry fabrication More
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Published: 15 June 2020
Fig. 5 Green-part fabrication by using the vat photopolymerization (VPP)-based ceramic printing process. (a) Diagram of VPP-based ceramic printing. DMD, digital micromirror device; LED, light-emitting diode. (b) Set of projection images generated by slicing the digital model in VPP-based More
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Published: 15 June 2020
Fig. 6 Material recoating process in the vat-photopolymerization-based ceramic printing process. (a) Slurry recoating process based on rotation. (b) Side view of slurry recoating. (c) Top view of slurry recoating More
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Published: 15 June 2020
Fig. 7 No-support ceramic fabrication by the vat-photopolymerization-based ceramic printing process. (a–b) Schematic diagram of suspension-enclosing projection stereolithography. (c) Procedure for one-layer fabrication. (d) Supporting mechanism for overhang feature fabrication. (e) Three More
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Published: 15 June 2020
Fig. 8 Postprocessing of a green part printed by the vat-photopolymerization-based ceramic printing process. (a) Ceramic part before and after postprocessing. (b) Scanning electron microscopy (SEM) images of brown part after the debinding process. HA/TCP, hydroxyapatite/tricalcium phosphate More
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Published: 15 June 2020
Fig. 9 Shrinkage and compensation in vat photopolymerization (VPP)-based ceramic printing. (a) Ceramic parts before and after postprocessing. (b) Shrinkage of ceramic part fabricated by microscale VPP-based ceramic printing. (c) Final ceramic part after postprocessing. (d) Compensation More
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Published: 15 June 2020
Fig. 11 Calcium phosphate (CAP) scaffold fabricated by the vat-photopolymerization-based printing process for bone regeneration. (a) Three-dimensional scaffold design based on the critical defect of a long bone. (b) The CAP-based scaffold with cultured stem cell was implanted into the long More
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Published: 15 June 2020
Fig. 13 Piezoelectric ceramic fabricated by the vat photopolymerization (VPP)-based printing process for energy focusing and ultrasonic sensing. (a) Diagram of green-part fabrication using VPP-based printing. (b) Scanning electron microscopy (SEM) image of sintered sample after 6 h sintering More
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Published: 15 June 2020
Fig. 14 Glass fabricated by the vat photopolymerization (VPP)-based printing process for optical purposes. (a) Silica-nanopowder-based material printed by the VPP-based printing process. (b) Three-dimensional (3D)-printed fused silica glass with microstructures. (c) Surface quality and optical More
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Published: 15 June 2020
Fig. 15 Vat photopolymerization (VPP)-based ceramic fabrication using polymer-derived ceramics. (a) Photocurable material used in the polymer-derived ceramics process. UV, ultraviolet. Source: Ref 87 . (b) Printing process for polymer-derived ceramics. Source: Ref 87 . (c) Printed green part More
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006863
EISBN: 978-1-62708-392-8
... Abstract Of the seven additive manufacturing (AM) processes, this article focuses on the vat photopolymerization, or simply vat polymerization, process, while briefly discussing the other six AM processes. Vat polymerization and its characteristics, AM applications in medical fields...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006546
EISBN: 978-1-62708-290-7
... behavior within particles. The third section on vat photopolymerization (VPP) discusses two primary approaches to modeling VPP processes, namely a lumped-parameter approach to estimate cured regions in the vat, known as the Jacobs model, and a high-fidelity, continuum approach that uses finite-element...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006857
EISBN: 978-1-62708-392-8
... energy deposition (DED), material extrusion, material jetting, powder-bed fusion (PBF), sheet lamination, and vat photopolymerization. Due to their capability for manufacturing high-quality parts that are fully dense, PBF and DED are the most widely used groups of AM techniques in processing metals...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006555
EISBN: 978-1-62708-290-7
... applications have been used for low production runs of parts with complex shapes and geometric features. Additive manufacturing is also used for topology optimization and it impacts the process and supply chain. This article discusses processes, including vat photopolymerization, material jetting, powder bed...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006556
EISBN: 978-1-62708-290-7
..., applications, and advantages of direct metal methods, namely laser melting, material extrusion, binder jetting, material jetting, and vat photopolymerization methods. laser melting precious metal powder COMMONLY RECOGNIZED precious metal items include jewelry, watches and watch parts, coins...
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Published: 15 June 2020
Fig. 12 Laser scan simulation results showing effect of surface roughness nonuniform exposure distribution typical of vat photopolymerization (VPP). (a) Simple wedge-shaped part 20 × 8 × 10 mm (0.8 × 0.3 × 0.4 in.). (b) VPP simulation results. Source: Ref 18 More
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Published: 15 June 2020
Fig. 12 Zirconia-toughened alumina (ZTA) ceramics fabricated by the vat photopolymerization (VPP)-based printing process, with excellent mechanical properties. (a) Schematic illustration of the VPP-based ceramic printing process. (b) Gear-shaped ZTA ceramic printed through the VPP-based More