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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
-
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
- Published in:
-
RAPID PROTOTYPING JOURNAL
no. 31,
pages 1186 - 1200,
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 -Vol. 31,iss. 6 (2025), s.1186-1200
- 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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