| About this Abstract |
| Meeting |
2021 TMS Annual Meeting & Exhibition
|
| Symposium
|
TMS-DGM Symposium: A Joint US-European Symposium on Linking Basic Science to Advances in Manufacturing of Lightweight Metals
|
| Presentation Title |
High-throughput Experimental Techniques to Measure the CRSS for Slip and Twinning in Mg and Mg Alloys |
| Author(s) |
Jingya Wang, Reza Alizadeh, Javier Llorca |
| On-Site Speaker (Planned) |
Javier Llorca |
| Abstract Scope |
Alloying Mg with different elements improves the strength and modify the plastic anisotropy. However, the accurate determination of the effect of solute atoms and precipitates on the CRSS of each slip is very expensive because it requires the manufacturing of single crystals with different composition and orientations. This problem may be overcome by the combination of micropillar compression tests and high-throughput processing techniques based on the diffusion couples. This methodology requires a detailed analysis of the effect of micropillar dimensions on the flow strength and can be easily extended to high temperatures. Using this methodology, the effect of Al and Zn in solid solution on the CRSS for basal and pyramidal slip and twinning as well as of MgZn2 precipitates on basal and pyramidal slip was determined. The results were compared with predictions from atomistic and/or continuum models and showed the effect of alloying on the strength and plastic anisotropy. |
| Proceedings Inclusion? |
Planned: |