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Figure 3
Reconstructed slices of magnesium (Zernike phase contrast) without any filtering (left). Filtering (middle) allows automatic segmentation (right). White spots depict SiC crystals, black areas indicate voids inside the material and grey areas depict the Mg matrix. Features of 150 nm size can be detected in the 15 min scan while already in the 3 min scan all features smaller than 300 nm are not extracted by the segmentation. Only rough structures are resolved in the 36 s and 6 s scans.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 5| September 2020| Pages 1339-1346
https://doi.org/10.1107/S1600577520007407
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