About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Aluminum Alloys: Development and Manufacturing
|
| Presentation Title |
Mechanical and microstructural characterization of Al–Ce sheets fabricated via continual Annealing Rolling (CAR) process |
| Author(s) |
Mehran Zare, Kaustubh Rane, Swaroop Behera, Flavio Toma, Lourdes G Salamanca-Riba, David Weiss, Pradeep K Rohatgi |
| On-Site Speaker (Planned) |
Mehran Zare |
| Abstract Scope |
Al-Ce alloys are a promising class of aluminum-based materials alloyed with inexpensive lanthanides, , known for their excellent properties especially at elevated temperatures. However, their mechanical performance is often limited by the formation of coarse primary Al11Ce3 intermetallics in cast microstructure. In this study, we report on the fabrication of rolled Al-Ce alloy sheets using the CAR process. Al-8Ce, Al-12.5Ce, and Al-14Ce alloy ingots with an initial thickness of 1 cm were rolled to produce 1 mm-thick sheets. Microstructural characterization revealed a significant improvement in both the distribution and refinement of Ce-containing intermetallics within the aluminum matrix after CAR processing. The rolled and fully annealed Al-Ce sheets demonstrated superior mechanical properties compared to their as-cast counterparts of equivalent thickness; the coarse Al11Ce3 primary intermetallics were fragmented into uniformly distributed, nearly spherical particles with sizes reduced to below 2 μm. |
| Proceedings Inclusion? |
Planned: Light Metals |
| Keywords |
Aluminum, Mechanical Properties, Process Technology |