Shape memory polymers (SMPs) are a relatively new kind of smart materials with the capability of large shape memory effect. In this study, a series of shape memory epoxy composites filled with varied carbon black (CB) contents were prepared. The shape memory effect and thermomechanical behavior of the materials were experimentally investigated. The viscoelastic properties at different temperatures were characterized by creep tests. The results show that the materials exhibit excellent shape memory effects. The CB additive has no remarkable influence on the critical shape transition temperature, but significantly improved the viscous resistance.
XiongZYWangZDLiZFChangRN. Micromechanism of deformation in EMC laminates. Mater Sci Eng A2008; 496: 323–328.
16.
WangZDLiZFWangYS. Micro-buckling solution of elastic memory laminates under bending. J Intell Mater Syst Struct2009; 20: 1565–1572.
17.
RazzaqMYAnhaltMFrormannLWeidenfellerB. Thermal, electrical and magnetic studies of magnetite filled polyurethane shape memory polymers. Mater Sci Eng A2007; 444: 227–235.
18.
FrancisWHLakeMSSchultzMR. Elastic memory composite microbuckling mechanics: closed-form model with empirical correlation. AIAA Paper No. 2007–2164, 2007.
19.
HuangWMLeeCWTeoHP. Thermomechanical behavior of a polyurethane shape memory polymer foam. J Intell Mater Syst Struct2006; 17: 753–760.
20.
PrimaDLesniewskiMAGallMMcDowellDLSandersonTCampbellD. Thermo-mechanical behavior of epoxy shape memory polymer foams. Smart Mater Struct2007; 16: 2330–2340.
21.
LiZFWangZD. Studies on the shape frozen/recovery behaviors of SMP-based sandwich structure. J Intell Mater Syst Struct2011; 22(14): 1605–1612.
22.
WangZDLiZF. Theoretical analysis of the deformation of SMP sandwich beam in flexure. Achieve Appl Mech2011; 81(11): 1667–1678.
23.
LiuYPGallKMartin L GreenbergARDianiJ. Thermomechanics of shape memory polymers: uniaxial experiments and constitutive modeling. Int J Plasticity2006; 22: 279–313.
24.
LinLWChenLW. Dynamic stability of rotating composite beams with a viscoelastic core. Compos Struct2002; 58: 185–194.
ChenXNguyenTD. Influence of thermoviscoelastic properties and loading conditions on the recovery performance of shape memory polymers. Mech Mater2011; 43: 127–138.
27.
AbranhamsonERLakeMSMunshiNAGallK. Shape memory mechanics of an elastic memory composite resin. J Intell Mater Syst Struct2003; 14(10): 623–632.
28.
NguyenTDQiHJCastroFLongKN. Constitutive theory for shape memory polymers. Part I Large deformations. J Mech Phys Solids2008; 56(5): 1752–1765.
29.
LiGQXuW. Thermomechanical behavior of thermoset shape memory polymer programmed by cold-compression: testing and constitutive modeling. J Mech Phys Solids2011; 59(6): 1231–1250.
30.
WangZDZhaoXX. Modeling and characterization of viscoelasticity of PI/SiO2 nanocomposite films under constant and fatigue loading. Mater Sci Eng A2008; 486: 517–527.
