4D Mapping of the Fracture Evolution in a Printed Gypsum-Like Core by Using X-Ray CT Scanning

Table 1

Estimation results of fractal dimension based on box-counting method.

Stress (MPa)	Average D of slices (ADS)	ADS + 1	Volumetric D
1.54	1.587	2.587	2.55
2.08	1.565	2.565	2.532
2.18	1.625	2.625	2.6
0.52	1.66	2.66	2.63