| About this Abstract |
| Meeting |
3rd World Congress on High Entropy Alloys (HEA 2023)
|
| Symposium
|
HEA 2023
|
| Presentation Title |
Microstructure and Mechanical Properties of Mo-Nb-Ti-V-W-Zr Refractory High Entropy Alloys Developed using a Data-driven Inverse Alloy Design approach |
| Author(s) |
Lavanya Raman, Marcia Ahn, Arindam Debnath, Shuang Lin, Adam Krajewski, Shunli Shang, Wesley Reinhart, Allison Beese, Bed Poudel, Zi Kui Liu, Shashank Priya, Wenjie Li |
| On-Site Speaker (Planned) |
Lavanya Raman |
| Abstract Scope |
The concept of heterogeneous/composite microstructure has proved as an effective approach in achieving an optimum combination of high strength and ductility. In MoNbTaW-containing refractory high entropy alloys, adequate strength and ductility are reported by the addition of V and Zr by tailoring the microstructure. Our work generates the desired compositions using high-throughput computational, machine-learning models, and inverse design. The selected compositions based on elements Mo-Nb-Ti-V-W-Zr are manufactured utilizing vacuum arc melting and field-assisted sintering technology. The phase formation is correlated using CALPHAD. ML models are used to predict the mechanical properties of the alloy and are validated with experimental mechanical data obtained from the three-point bend and compression tests. The deformation of different phases is also understood from nanoindentation studies. The effect of the synthesis route on the phase formation and mechanical data is also established. The interactive design strategy adopted is applicable to other materials systems including HEAs. |
| Proceedings Inclusion? |
Planned: Metallurgical and Materials Transactions |