X-ray CT scan of true triaxially deformed Darley Dale sandstone sample tts6 (NERC Grant NE/N003063/1)
X-ray CT scan dataset of Darley Dale sandstone sample tts6. This sample was deformed in a true triaxial apparatus, and is fully described in the PhD thesis of Stuart (1992, UCL). The sample is a cube, measuring approximately 50 mm on a side. The sample experienced two sets of true triaxial deformation (test DDSS0009 and DDSS0010), with different applied stresses in the 1, 2 and 3 directions. This deformation produced distinct families of brittle microcracks, which were detected using acoustic emissions and seismic velocity analysis. This X-ray CT scan dataset was collected in 2019 at the University of Aberdeen by Dr Stewart Chalmers and Dr Dave Healy.
X-ray CT scan results. These data were produced at the University of Aberdeen in the School of Engineering. We used a XT H 225ST Nikon CT scanner, with a spatial resolution of 3 micrometres, and a maximum source of 225 kV. The files in the dataset are the raw unprocessed .tif image slices. The data were acquired by Dr Stewart Chalmers and Dr Dave Healy at the University of Aberdeen, in 2019.
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