Research Article

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

Figure 6

Surface crack appearance of the 3D printing gypsum specimen with penny-shaped flaw: (a) 2.137 MPa 0.0333; (b) 2.217 MPa 0.0340; (c) 2.178 MPa 0.0348; (d) 2.257 MPa 0.0357; (e) 2.177 MPa 0.0365; (f) 2.137 MPa 0.0371; (g) 2.057 MPa 0.0376; (h) 0.299 MPa 0.0400.
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