| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advances in Multi-Principal Element Alloys IV: Mechanical Behavior
|
| Presentation Title |
Enhanced Mechanical Properties and Sustainability of Non-Equiatomic CoNiCrFeMn Alloys Using AI-Assisted Design |
| Author(s) |
Mehran Bahramyan, Reza Taherzadeh Mousavian, Gopinath Perumal, Gavin Roche Griffin, Yanuar Rohmat Aji Pradana, James G. Carton, David J. Browne, Dermot Brabazon |
| On-Site Speaker (Planned) |
Mehran Bahramyan |
| Abstract Scope |
The equiatomic face-centered cubic (FCC) CoNiCrFeMn alloy, also known as the Cantor alloy, is renowned for its high ductility under extreme conditions like cryogenic temperatures. However, it has low hardness and yield strength (YS) and contains elements with significant supply concerns. This study introduces novel non-equiatomic CoNiCrFeMn alloys, developed using machine learning (ML)-assisted high-throughput atomistic simulations to enhance both sustainability and mechanical properties while retaining the single-phase FCC structure. The alloy design was guided by two sustainability indicators: end-of-life recycling rate (EOL-RR) and lifetime (τ). Mean-flow stress (MFS) was employed to assess mechanical properties. Two innovative alloys with improved mechanical properties and sustainability metrics were created. CALPHAD modeling and X-ray diffraction (XRD) confirmed their stable FCC microstructures, and hardness tests verified the mechanical properties of these novel alloys. The findings underscore the importance of integrating sustainability into the design of high-performance alloys. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Modeling and Simulation, Sustainability, Machine Learning |