| About this Abstract |
| Meeting |
2023 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advances in Multi-Principal Element Alloys II
|
| Presentation Title |
J-12: Atomistic Modeling of Physical Vapor Deposition and Melt-quenching of CoCrFeNiTix High Entropy Alloys |
| Author(s) |
Aoyan Liang, Andrea M Hodge, Diana Farkas, Paulo Branicio |
| On-Site Speaker (Planned) |
Aoyan Liang |
| Abstract Scope |
There is a great need to understand composition-synthesis-structure relationships in compositionally complex high entropy alloys (HEA). Here, we use molecular dynamics simulations to study CoCrFeNiTix HEA stability in samples produced by physical vapor deposition and melting and quenching. Results reveal that samples with high Ti content have a strong tendency to amorphize, while samples with low Ti content form face-centered cubic structures regardless of the synthesis method. The simulation results are in good agreement with experimental results from physical vapor deposition and point to the effects of larger size elements in the complex alloy. Our work provides atomistic insights into the interconnections and differences between bulk and film HEA synthesis methods, as well as the relationship between HEA phase stability and composition. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
High-Entropy Alloys, Modeling and Simulation, |