Fig. 5: Bio-mimetic designs and demonstrative applications.
From: Soft three-dimensional network materials with rational bio-mimetic designs
a Typical passive stress–strain curves of the human heart muscle68,69, artificial network materials, with corresponding FEA results for the latter. Here, the mechanical testing of artificial network materials was performed at 25 °C. b Geometric model and optical image of the artificial network material in a. c Stress–strain curves of right ventricular myocardium of adult rat67 along the circumferential and longitudinal directions, along with the results of artificial network materials and corresponding FEA results. Here, the mechanical testing of artificial network materials was performed at 23 °C. d Geometric model and optical image of the artificial network material in c. e Optical images of a soft octahedral network before and after magnetron sputtering. A thin coating of 10 nm Cr, 500 nm Cu, and 100 nm Au (from inside to outside) is generated by the sputtering. f Relative resistance change and effective pressure measured during the uniaxial compression of soft octahedral network materials, along with the deformed configurations. g Relative resistance change and effective tensile stress measured during the uniaxial stretching of soft octahedral network materials, along with the deformed configurations. A green LED connected with the stretched conducting network serves as a demonstration. Scale bars, 5 mm in all images.
