| About this Abstract |
| Meeting |
2020 TMS Annual Meeting & Exhibition
|
| Symposium
|
Innovations in High Entropy Alloys and Bulk Metallic Glasses: An SMD & FMD Symposium in Honor of Peter K. Liaw
|
| Presentation Title |
Melting of Metallic Glasses in the Limit of Ultra-high Liquid Fragility |
| Author(s) |
William L. Johnson |
| On-Site Speaker (Planned) |
William L. Johnson |
| Abstract Scope |
The glass transition is commonly viewed as a dynamic transition involving a dramatic slowing of configurational rearrangements in the liquid state at deep undercooling. The question of whether an underlying thermodynamic transition exists has been the subject of long standing debate. Recently, both experiments and MD simulations reveal that metallic glasses exhibit first order melting behavior in the limit of ultrahigh fragility. The solid glass melts to a fluid liquid state in the same manner as a crystal melts. The origin of this behavior can be traced to the collapse of elastic rigidity of the solid glass. The experimental evidence for this first order thermodynamic glass transition will be presented and discussed. |
| Proceedings Inclusion? |
Planned: Supplemental Proceedings volume |