About this Abstract |
Meeting |
2024 TMS Annual Meeting & Exhibition
|
Symposium
|
Advanced Characterization Techniques for Quantifying and Modeling Deformation
|
Presentation Title |
3D Mapping of Cell Refinement During Tensile Deformation of Aluminum by DFXM |
Author(s) |
Albert Zelenika, Can Yildirim, Carsten Detlefs, Raquel Rodriguez-Lamas, Flemming Bjerg Grumsen, Henning Friis Poulsen, Grethe Winther |
On-Site Speaker (Planned) |
Albert Zelenika |
Abstract Scope |
The subdivision of grains into cells is a critical phenomenon with significant implications for work-hardening processes in materials science. However, studying this complex process in bulk samples using conventional techniques remains a formidable challenge. To address this gap, we employ Dark-Field X-ray Microscopy (DFXM), a diffraction-based imaging technique with high angular and spatial resolution. Leveraging the power of DFXM, we explore the 3D microstructural evolution of an aluminium polycrystal (AA1050) during in-situ tensile deformation of up to 7% by mapping local strain and orientation. We successfully visualize and track the subdivision of grains into cells within expansive bulk volumes measuring up to 350 x 800 x 30 µm³ with 120 nm resolution. Additionally, our results provide comprehensive mapping of the angular spread and size of the cells, offering new validation routes that may facilitate the development of more accurate crystal plasticity models. |
Proceedings Inclusion? |
Planned: |
Keywords |
Aluminum, Characterization, Other |