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Meeting 2025 TMS Annual Meeting & Exhibition
Symposium Algorithms Development in Materials Science and Engineering
Presentation Title Distances in the microstructure state space
Author(s) Dylan Miley, Jeremy Mason, Benjamin Schweinhart
On-Site Speaker (Planned) Dylan Miley
Abstract Scope High resolution microstructure data is readily available and has opened the doorway to understanding processing-structure-property relationships. Inconsistent data representations and an inability to quantitatively compare microstructures across material classes prevent the construction of a general materials database though, and a general microstructure representation and comparison methodology would significantly further the agenda of ICME. We present a standard representation of polycrystalline microstructures that enables quantitative microstructure comparison while accounting for inherent microstructure variability. The basis of the framework is the idea of a microstructure state space, with points in the space corresponding to probability distributions of characteristic micrograph volume elements (windows). A morphological distance between windows is developed and used to find the intrinsic geometry of a point cloud of windows sampled from a given microstructure. This is used to develop a pseudo-metric between microstructures that enables queries into a prototype database containing microstructures with highly variable grain geometries.
Proceedings Inclusion? Planned:
Keywords ICME, Computational Materials Science & Engineering, Characterization

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