About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advances in Thermo-Mechanical Processing of Refractory Alloys
|
| Presentation Title |
The thermal mechanical behavior of refractory alloys at extreme temperatures |
| Author(s) |
Syed Jalali, Michael Patullo, Daniel Magnuson, Sharon Park, Kevin J. Hemker |
| On-Site Speaker (Planned) |
Kevin J. Hemker |
| Abstract Scope |
Promising classes of refractory alloys are being developed and considered for use as structural materials that can operate in the severe temperatures required for next generation power generation, space access, and hypersonic flight. Realization of this promise will require detailed understanding of the deformation mechanisms that underpin both thermomechanical processing and performance at ultrahigh temperatures. The recent development of subscale tensile testing that employs local heating, ultra-violet imaging, digital image correlation (UV-DIC), and multi-spectral pyrometry provide a means for elucidating processing-structure-property relations for commercial and compositionally complex refractory alloys at temperatures as high as 2,000oC. Evidence for a multiplicity of slip, modified dislocation activity, grain boundary sliding, and dynamic recrystallization will be presented and used to highlight the diversity of processes that contribute to the ultrahigh temperature behavior of refractory alloys. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
High-Entropy Alloys, Mechanical Properties, |