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cond-mat.mtrl-sci2026
Automated Analysis to Reveal Grain Boundary Phase Microstructures
R. Daniel Moore, Ian S. Winter, Robert E. Rudd +2
We develop a method for analyzing grain boundary (GB) microstructures that identifies distinct interfacial phases and the dislocation line defects separating them. Similar to bulk…
cond-mat.mtrl-sci2024
Computing virtual dark-field X-ray microscopy images of complex discrete dislocation structures from large-scale molecular dynamics simulations
Yifan Wang, Nicolas Bertin, Dayeeta Pal +4
Dark-field X-ray Microscopy (DFXM) is a novel diffraction-based imaging technique that non-destructively maps the local deformation from crystalline defects in bulk materials. Whil…
cond-mat.mtrl-sci2022
Characterization and visualization of grain boundary disconnections
I. S. Winter, T. Oppelstrup, T. Frolov +1
We introduce a method to visualize dislocations along grain boundaries at the atomic level. It uses an atomic-level Nye tensor, representing the dislocation density. To calculate t…