| About this Abstract |
| Meeting |
2020 TMS Annual Meeting & Exhibition
|
| Symposium
|
Additive Manufacturing: Materials Design and Alloy Development II
|
| Presentation Title |
Inoculant Enabled Alloy Design for High Strength Aluminum |
| Author(s) |
Mark R. O'Masta, Julie A. Miller, Jacob M. Hundley, Brennan D. Yahata, Tobias A. Schaedler, John H. Martin |
| On-Site Speaker (Planned) |
Mark R. O'Masta |
| Abstract Scope |
Additive manufacturing of many high strength alloys is generally precluded by their susceptibility to hot-crack. This phenomena is a result of the high thermal gradients seen in powder fusion methods, which create the conditions for dendritic growth and the resulting inter-dendritic cavitation and tearing/cracking at high solid fractions. Here we discuss alloy design, with particular attention on element additions through nano-functionalization, to modify the thermodynamic driving forces and leverage the unique thermal conditions in AM. Through experimental and numerical studies, we will show the ability to print what would otherwise be a hot-crack susceptible alloy tailored to the unique conditions of AM (e.g., SLM, DED) and discuss the role of solute additions on printablility and the ultimate performance of the alloy. |
| Proceedings Inclusion? |
Planned: Supplemental Proceedings volume |