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Fabrication of zirconia ceramic parts by using solvent-based slurry stereolithography and sintering

Authors
  • Wang, Jia-Chang1, 2
  • Dommati, Hitesh3
  • 1 National Taipei University of Technology, Department of Mechanical Engineering, Taipei, Taiwan , Taipei (Taiwan)
  • 2 National Taipei University of Technology, Additive Manufacturing Center for Mass Customization and Production, Taipei, Taiwan , Taipei (Taiwan)
  • 3 National Taipei University of Technology, College of Mechanical & Electrical Engineering, Taipei, Taiwan , Taipei (Taiwan)
Type
Published Article
Journal
The International Journal of Advanced Manufacturing Technology
Publisher
Springer London
Publication Date
Jun 21, 2018
Volume
98
Issue
5-8
Pages
1537–1546
Identifiers
DOI: 10.1007/s00170-018-2349-3
Source
Springer Nature
Keywords
License
Yellow

Abstract

This paper describes an efficient method of fabricating high-performance ceramic (HPC) parts by using solvent-based slurry 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 slurry. 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 °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 μm). 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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