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Development of dual nozzle slurry extrusion 3D printer by integrating material extrusion and photopolymerization for the fabrication of engineered ceramics
Abstract
This research focuses on developing a dual-nozzle slurry-based extrusion 3D printer capable of fabricating intricate zirconia structures. The designed 3D printer combines material extrusion and photopolymerization technologies to improve material diversity, precision, and cost-effectiveness. The 3D printer design incorporates ultraviolet curing to instantly cure extruded zirconia slurry thereby, eliminating the need for a step-wise curing procedure. Printing parameters were optimized to achieve high-quality prints, and supports made of polyethylene terephthalate glycol (PETG) were used for intricate geometries. The printability and mechanical properties were evaluated for two different zirconia slurry compositions: 70/30 and 80/20 powder-to-resin weight percentages. The printed green body was subjected to a two-phase sintering process. The 3D printer fabricated structures with features subtending angles greater than 50 degrees and a filling density above 80% without any supports. Shrinkage analysis showed the 80/20 composition resulted in higher density parts, with shrinkage ratios of 25.23%, 26.23%, and 27.26% along the X, Y, and Z axes, respectively. The sintered objects displayed hardness (1525 HV) and flexural strength (117 MPa), with minimal porosity. This study demonstrates the development of a cost-effective dual-nozzle 3D printer that can effectively fabricate functional parts with complex material compositions and geometries that can cater to the futuristic requirements of high-end industries.
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Authors (6)
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Yulius Romario
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Chinmai Bhat
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Lin Yu-yang
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Maziar Ramezani
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Cho-pei Jiang
Cite as
Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1108/RPJ-09-2024-0387
- License
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach dostępnych w wersji elektronicznej [także online]
- Published in:
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RAPID PROTOTYPING JOURNAL
ISSN: 1355-2546 - Language:
- English
- Publication year:
- 2025
- Bibliographic description:
- Romario Y., Bhat C., Yu-yang L., Macek W., Ramezani M., Jiang C., Development of dual nozzle slurry extrusion 3D printer by integrating material extrusion and photopolymerization for the fabrication of engineered ceramics, RAPID PROTOTYPING JOURNAL, 2025,10.1108/RPJ-09-2024-0387
- DOI:
- Digital Object Identifier (open in new tab) 10.1108/rpj-09-2024-0387
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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