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. Author manuscript; available in PMC: 2016 Nov 24.
Published in final edited form as: Chem Mater. 2015 Oct 27;27(22):7627–7635. doi: 10.1021/acs.chemmater.5b02839

Figure 4.

Figure 4

The viscoelasticity and remoldable behaviors of the hydrogels (1xFe). (a) Tensile stress-strain curves of the hydrogels under different deformation rates from 25 to 400 mm/min. (b) Dependence of the tensile strength (maximum stress) and rupture strain on deformation rate. Increasing deformation rate results in higher strength and lower rupture strain (Error bars: SD, n=3). (c) Stress relaxation behavior of the hydrogel. (d) Re-moldable behavior of the hydrogel. A hydrogel disc is reshaped into triangle, hexagonal and flower-like shapes after being compressed into different PDMS molds (Scale bars: 10mm).