| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Novel Strategies for Rapid Acquisition and Processing of Large Datasets from Advanced Characterization Techniques
|
| Presentation Title |
Real Time Pole Figures from Polycrystalline Samples During Far Field HEDM |
| Author(s) |
Austin Robert Cole Gerlt, Paul Shade, Donald Boyce, Stephen Niezgoda |
| On-Site Speaker (Planned) |
Austin Robert Cole Gerlt |
| Abstract Scope |
Typically in far field HEDM (ff-HEDM), raw data is collected and binned relative to experimental parameters, often as per-ring $(\eta, \omega)$ maps. These maps are ideal for post-processing, but inconvenient for quickly discerning useful texture information visually. Furthermore, post processing ff-HEDM data into maps of orientation space or quantitative strain information is difficult and often cannot be performed in real time. Thus for in situ tests, decisions typically must be made with only limited insight into the texture evolution of the sample.
As a partial solution, the authors present a simplistic and automated approach by which raw far field data can be rapidly processed into human readable pole figures. The authors demonstrate how this method can also be used to spot pre-crack dislocation movement during a cyclic fatigue experiment, as well as a tool for rapid assisted detector calibration via alignment of Friedel pairs. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Modeling and Simulation, |