| About this Abstract |
| Meeting |
2024 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2024)
|
| Symposium
|
2024 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2024)
|
| Presentation Title |
Hybrid Additive Manufacturing of Technical Ceramics |
| Author(s) |
Robert Kay, Daniel Davie, Louis Masters, Matthew Shuttleworth |
| On-Site Speaker (Planned) |
Robert Kay |
| Abstract Scope |
Conventional methods of ceramic manufacturing impose design constraints on the geometric complexity of parts. Recent attention has focused on using Additive Manufacturing processes to overcome this limitation. However, barriers remain that limit the industrial adoption of 3D printed ceramics including process speed, cost, range of processable materials, porosity, and part shrinkage. A hybrid manufacturing approach that combines additive, subtractive and interlayer drying processes in a single platform has been developed to overcome these restrictions. This approach has been demonstrated with an alumina paste using materials developed for extrusion and injection moulding methods. Since a wide range of ceramic materials can be formulated into shear-thinning pastes they can be readily processed using this approach without the need to extensively optimise the material’s rheological properties, particle size or incorporate photosensitive compounds. The ceramic components demonstrated sintered densities in excess of 99.7% across a wide range of geometrically complex demonstrators. |
| Proceedings Inclusion? |
Definite: Post-meeting proceedings |