Journal
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
Volume 98, Issue 5-8, Pages 1537-1546Publisher
SPRINGER LONDON LTD
DOI: 10.1007/s00170-018-2349-3
Keywords
Additive manufacturing; Ceramics; Slurry; Zirconia; Stereolithography
Funding
- Ministry of Science and Technology, Taiwan, R.O.C [MOST 104-2622-E-027-005-CC, 105-2221-E-027-036-MY2]
- Additive Manufacturing Center for Mass Customization Production from The Featured Areas Research Center Program
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This paper describes an efficient method of fabricating high-performance ceramic (HPC) parts by using solvent-based slimy stereolithography (3S) and sintering. In this study, zirconia was used as the structural material, methyl alcohol was used as the solvent, a waterborne inorganic pigment was used as the dispersant, and a visible-light-curing resin was used as the organic binder for forming the shiny. The slurry was photocured using a visible-light projector for layer-by-layer deposition in an enclosed cabinet to form a three-dimensional object. The obtained green part was sintered at high temperatures (up to 1600 degrees C) so that it densified and formed a rigid body. Thus, an HPC part with high material strength could be produced. A complete system was developed for producing complex zirconia ceramic parts with a high level of precision without the necessity of generating support structures for the overhang features. The system was determined to achieve a very fine-detailed shape (30 mu m). The mechanical properties of the obtained zirconia parts, such as flexural strength, density, and average roughness, were also investigated in this study.
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