Fig. 2: Characterization of material properties.
From: Direct 4D printing of ceramics driven by hydrogel dehydration
a Viscosity of ceramic elastomer slurry and acrylic acid- poly(ethylene glycol) diacrylate (AP) hydrogel precursor as a function of shear rate. b Storage modulus and loss modulus of ceramic elastomer slurry and AP hydrogel precursor as a function of time during UV irradiation. c Stress-strain curves of ceramic elastomer with different poly(ethylene glycol) diacrylate (PEGDA) contents. d Demonstration of the stretchability and reshaping ability of the printed ceramic elastomer structures. Scale bars, 15 mm. e Stress-strain curves of AP hydrogel with different water contents. f Young’s modulus and volumetric shrinkage of AP hydrogel as a function of water content during dehydration process. g Force/width-displacement curves of peeling test to investigate the interfacial adhesion between ceramic elastomer and AP hydrogel. Source data for Fig. 2a-c and Fig. 2e-g are provided as a Source Data file.
