| About this Abstract |
| Meeting |
2023 TMS Annual Meeting & Exhibition
|
| Symposium
|
Additive Manufacturing of Large-scale Metallic Components
|
| Presentation Title |
Distortion Compensation for Metal Additive Manufacturing |
| Author(s) |
Theresa E. Honein, Collette Noelle Gillaspie, Mehmet Sirtalan, Kyle Johnson, Carl Herriott, Michael Stender, Ellen Wagman, Richard Deering |
| On-Site Speaker (Planned) |
Collette Noelle Gillaspie |
| Abstract Scope |
Residual stress and distortion are primary obstacles to metal additive manufacturing (AM). The two phenomena are intricately linked, and both are material-, process-, and geometry-dependent. Distortion can lead to significant deviations from nominal CAD geometries, compromising the quality of the as-built component. As a result, AM-induced distortion can invalidate the precision of critical structures. Therefore, an efficient numerical distortion compensation workflow informed by high fidelity thermomechanical simulations has been developed to predict residual stress and distortion for the purpose of an inverse analysis. The iterative analysis modifies CAD geometries based on mapped distortions. Progress to date will be discussed, and comparisons before and after compensation will be presented.
Sandia National Laboratories is a multimission laboratory managed and operated by National Technology and Engineering Solutions of Sandia, LLC., a wholly owned subsidiary of Honeywell International, Inc., for the U.S. Department of Energy’s National Nuclear Security Administration under contract DE-NA-0003525. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Additive Manufacturing, Modeling and Simulation, Computational Materials Science & Engineering |