Fig. 5: PCEM with tunable mechanical properties. | Nature Communications

Fig. 5: PCEM with tunable mechanical properties.

From: Electrothermally controlled origami fabricated by 4D printing of continuous fiber-reinforced composites

Fig. 5

a The crease pattern of the Miura-origami unit. b A folded Miura-origami sheet consists of tessellations of a unit. The unit geometry can be described using a parallelogram with sides a, b, and acute angle φ, along with the deployment angle \(\omega \in [0,\, \pi ]\). An alternative parameterization is given by dimensions H, S, V, and L. c Snapshots (the permanent and temporary shapes) of the PCEM. Scale bar, 20 mm. d Experimental and simulation studies on different configurations of the PCEM activated by different heating times under 0.26 A stimulus. Scale bar, 20 mm. e Compression tests on the pure-SMP and CCF-SMP folded Miura-origami thick panels with different deployment angles.

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