Sheared coal sample

D. Nicolas Espinoza
Sheared coal core: X-ray (100kV and 250µA), detector (7fps (frame per second) and average of 10 = exposure time per radiography of #1.4s), number of radiographies 1440 over 360°. Image: 1840x1840x1127 voxels, 16bit with a resolution (both voxel size and spot size) of 25µm. Reconstruction method: FBP (Filtered Back Projection) --> Feldkamp method (cone beam geometry) with Tukey filter. Device: Ultratom RXSolutions Operator: Nicolas Lenoir Facility Location: Laboratoire Navier
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