Abstract
Multicomponent alloys have recently been shown to overcome the structural-functional barrier associated with soft magnetic materials. Here, single laser tracks have been used to investigate the effects of solidification velocity on the Al7Fe32.6Co27.7Ni27.7Ta5 (at pct) alloy. Ta-rich cell wall partitioning was shown to affect the final distribution and size of the precipitating L12 phase, after aging. These findings demonstrate that solidification rate control offers the potential to tailor localized performance in alloys with size-dependent precipitation properties.
| Original language | English |
|---|---|
| Pages (from-to) | 4273-4279 |
| Number of pages | 7 |
| Journal | Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science |
| Volume | 56 |
| Issue number | 10 |
| DOIs | |
| State | Published - Oct 2025 |
Funding
This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan ( http://energy.gov/downloads/doe-public-access-plan ). The authors gratefully acknowledge the work of Chase Joslin (ORNL) and McKay Sperry (ORNL) for running the single laser tracks; and Sarah Graham (ORNL) for metallographic resources. Additional thanks to Gerry Knapp (ORNL) and Matt Rolchigo (ORNL) for solidification discussions. This research was sponsored by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory (ORNL), managed by UT-Battelle, LLC, for the US Department of Energy. Research was performed at the Manufacturing Demonstration Facility supported by DOE’s Office of Energy Efficiency and Renewable Energy Advanced Manufacturing Offices. A portion of this research used the resources of the Low Activation Materials Development and Analysis Laboratory, a DOE Office of Science research facility operated by the Oak Ridge National Laboratory.