Fig. 2
From: Metamaterial design for aortic aneurysm simulation using 3D printing
Typical stress-strain graph comparing soft tissue (dotted line) and polymer (solid line). Soft tissue: A, toe region; B, elastic region; C, plastic region; D, failure region. Polymer: I, primary creep; II, secondary creep; III, tertiary creep. Reproduced from Wang, Zhao, et al. (2016) [17] with permission from Elsevier