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3D Mapping Grain Morphology and Grain Orientations by Laboratory Diffraction Contrast Tomography

Recent developments in laboratory-based diffraction contrast tomography (LabDCT) has shown its capability to non-destructively map the 3D morphology and crystallographic orientation in the bulk of a polycrystalline sample. Here we introduce the methodology behind this novel imaging modality and provide examples of use cases taking advantages of the ability to characterise grain microstructures, nondestructively and in three-dimensions and thereby opening the path to 4D studies of materials evolution.