About this Abstract |
| Meeting |
MS&T25: Materials Science & Technology
|
| Symposium
|
Microstructural Control in Materials Processing: Role of Phase Transformation Pathways
|
| Presentation Title |
High-Throughput Quantification of Recrystallization Parameters for Alloy Development |
| Author(s) |
Finn Birchall, Catherine Bishop |
| On-Site Speaker (Planned) |
Catherine Bishop |
| Abstract Scope |
The microstructure of a component depends on thermomechanical processing. Knowledge of the fundamental strain-time-temperature relations is essential for microstructural design and to achieving desired properties. We describe a high-throughput method to rapidly collect these relations.
Partially recrystallized microstructures were formed as a function of tensile strain in a deformed and annealed sample. The inhomogenous mictrostructures contain a fully recrystallized zone, a partially recrystallized zone, and an unrecrystallized zone. The conditions for strain at onset and completion of recrystallization and recrystallized grain size for given annealing conditions are readily identified. Results are validated against uniformly deformed samples after equivalent thermomechanical treatment.
This approach enables rapid optimization of processing, particularly for novel materials or those with limited recrystallization data. Additionally, the gradient microstructures create further opportunities for high-throughput evaluation of grain size dependent properties that can be used to train and validate machine learning tools. |