About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Material Responses Investigated Through Novel In-Situ Experiments and Modeling
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| Presentation Title |
Analysis of the Plastic Deformation Mechanisms of Extruded Pure Zn Through In-Situ SEM/EBSD |
| Author(s) |
Alireza Rezaei, Nafiseh Mollaei, Maral Sarebazadeh, Biaobiao Yang, Seyed Mahmood Fatemi, Javier Llorca |
| On-Site Speaker (Planned) |
Javier Llorca |
| Abstract Scope |
Pure Zn samples were subjected to tensile deformation within the scanning electron microscope along the extrusion direction. The micro-mechanisms of plastic deformation were studied by means of slip trace analysis and EBSD. Plastic deformation at low strains was mainly accommodated by grain boundary sliding as well as <a> basal slip. Limited activation of <c+a< pyramidal II slip was also observed. Further deformation led to compression twins in suitably oriented grains due to the strong basal texture. The fraction of twinned grains increased with deformation and twinning was another dominant plastic deformation mechanis at large strains. It was found that the activation of <a> basal and <c+a> pyramidal slip as well as compression twinning followed the Schmid law, indicating that the local stresses in Zn are similar to the global ones, very likely due to the development of grain boundary sliding that smooths out the local stress concentrations in the microstructure. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Mechanical Properties, Other, |