About this Abstract |
Meeting |
2025 TMS Annual Meeting & Exhibition
|
Symposium
|
Additive Manufacturing Modeling, Simulation and Machine Learning
|
Presentation Title |
Thermo-Mechanical Modeling of Additively Manufactured Ceramic Parts through Stereolithography |
Author(s) |
Anna K. Rawlings, Athanasios Iliopoulos, Eric Patterson, John Steuben, John Michopoulos |
On-Site Speaker (Planned) |
Anna K. Rawlings |
Abstract Scope |
Using commercially available alumina-loaded resin, ceramic parts were successfully printed using stereolithography and fired for burnout and sintering. Data-informed simulations of the firing process were performed using finite element analysis (FEA) in which the model parameters were calibrated to the measured shrinkage and density characteristics of the printed parts. From the thermo-mechanical modeling, the residual stresses and stress concentrations in the densified structure were determined. Additionally, various geometries ranging from relatively thick, self-supporting parts to thin-walled structures were printed and modeled to understand design limitations, microstructural heterogeneities, and mechanical properties relative to fully dense, conventionally processed alumina. Using alumina as the model system for the development of the fabrication and modeling framework, we investigated customized ceramic and metal powder-loaded photocurable resins to develop material specific
processes. |
Proceedings Inclusion? |
Planned: |
Keywords |
Additive Manufacturing, Ceramics, Modeling and Simulation |