| About this Abstract |
| Meeting |
2024 TMS Annual Meeting & Exhibition
|
| Symposium
|
Structure-Property Relationships of Bulk Metallic Glasses
|
| Presentation Title |
D-39: High Temperature Tensile Creep Deformation in Bulk Metallic Glasses |
| Author(s) |
Aurelia Moriyama-Gurish, Maria Korolik, Shuhan Zhang, Udo D. Schwarz, Amit Datye |
| On-Site Speaker (Planned) |
Aurelia Moriyama-Gurish |
| Abstract Scope |
Bulk metallic glasses (BMGs) represent a newer class of material that due to their unique amorphous structure has potentially promising applications. In practice, however, applications are often limited by insufficient plasticity, with the mechanisms of plastic deformation still under investigation. Creep, which describes the plastic deformation that occurs in a material at a constant stress, is useful in characterizing the fundamental plastic deformation mechanisms of amorphous materials. Previous creep experiments, mostly performed in compression at room temperature using a nanoindenter, have suggested behaviors to validate the shear transformation zone and Kelvin models for BMGs.
Understanding the creep response of BMGs at temperatures approaching their glass transition temperatures (Tg) is critical to determine the service temperatures for various applications. In this research, we use tensile creep experiments on different compositions of zirconium based BMGs at temperatures up to Tg to validate the plastic deformation models proposed for BMGs. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Characterization, Mechanical Properties, |