| About this Abstract |
| Meeting |
2024 TMS Annual Meeting & Exhibition
|
| Symposium
|
Additive Manufacturing Fatigue and Fracture: Towards Rapid Qualification
|
| Presentation Title |
Towards Rapid Qualification, a Hybrid Experimental-Modeling Approach to Account for the Presence of Porosity |
| Author(s) |
Krzysztof Stopka, Andrew Desrosiers, Amber Andreaco, Michael D. Sangid |
| On-Site Speaker (Planned) |
Michael D. Sangid |
| Abstract Scope |
The widespread adoption of additive manufacturing (AM) in fatigue-limited applications is hindered by defects such as porosity. In this presentation, we present a hybrid approach of experiments and microstructure-based simulations to enable the rapid qualification of AM fatigue-limited parts. The concept is developed using the laser powder bed fusion process and includes three main aspects: i) seeding pore defects of specific size, distribution, and morphology into AM specimens, ii) combining non-destructive (e.g., computed tomography) and destructive techniques (e.g., optical metallography, mechanical fatigue testing, scanning electron microscopy) for material characterization, and iii) conducting microstructure-based simulations of fatigue behavior resulting from specific pore defect and microstructure combinations. The proposed approach enables simulated data to be generated to validate and/or augment experimental fatigue data sets with the intent to reduce the number of tests needed and promote a more rapid route to AM material qualification. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Additive Manufacturing, Mechanical Properties, ICME |