| About this Abstract |
| Meeting |
2021 TMS Annual Meeting & Exhibition
|
| Symposium
|
Phase Transformations and Microstructural Evolution
|
| Presentation Title |
On the Application Potential of Aluminum Crossover Alloys |
| Author(s) |
Lukas Stemper, Matheus A. Tunes, Ramona Tosone, Peter J. Uggowitzer, Stefan Pogatscher |
| On-Site Speaker (Planned) |
Lukas Stemper |
| Abstract Scope |
A major obstacle aluminum alloys are facing is the trade-off between mechanical strength and formability. While most alloys address one of these issues satisfactorily, they hardly meet the requirements of the other. Crossover alloys try to overcome this challenge by merging beneficial properties usually attributed to certain alloy classes into a new single alloy while inhibiting detrimental effects. In this study we present a multi-method characterization of a variety of crossover alloys. After applying a specifically tailored thermomechanical treatment these alloys are not only capable of overcoming the long-standing trade-off between high “in-use” strength and high forming performance during processing but also set new benchmarks in terms of reduced processing time. Mechanical testing, scanning transmission electron microscopy (STEM) and atom probe tomography (ATP) were deployed to disclose the link between microstructural evolution and related material properties, ultimately revealing the mechanisms involved to provide the wide application potential of such alloys. |
| Proceedings Inclusion? |
Planned: |