Fig. 1. Materials used to synthesize shape memory polymer
Fig. 2. Typical stress-strain curve of the shape memory test of SMP
Fig. 3. (a) Dimensions of an antenna, (b) angle of the folded antenna, and (c) angle of the recovered antenna
Fig. 5. Procedure of folding-deploying test of SMPC antenna. (a) folding (programming) process, (b) deploying (recovery) process
Fig. 6. Morphologies of the fracture surfaces of (a) SMPC1, (c) SMPC2, and (e) SMPC3. (b), (d), and (f) are high–resolution images of (a), (c), and (e), respectively
Fig. 7. The stress-strain curve of SMPCs (a) above the transition temperature and (b) below the transition temperature
Fig. 8. The mechanical properties of SMPCs. (a) Elastic modulus, (b) tensile strength, and (c) elongation at break. The red circles and the black squares represent the test results above and below the transition temperature, respectively
Fig. 9. Shape memory test results of the SMP and SMPCs
Fig. 10. The deployment behavior of the SMPC antenna
Fig. 4. Folding device of SMPC antenna for deployment test
Table 1. Transition temperatures of the SMP and SMPCs
Table 2. Shape memory properties of the SMP and SMPCs
Table 3. Shape recovery ratio of the SMP and SMPC antenna
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