Journal
COMPOSITES PART B-ENGINEERING
Volume 59, Issue -, Pages 230-237Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2013.10.085
Keywords
Shape memory polymer (SMP); Three-dimensional constitutive equation; Finite element simulation; Smart mandrel
Funding
- National Natural Science Foundation of China [1122521, 11272106, 11102052]
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Based on the thermomechanical mechanism of shape memory polymers (SMPs), the three-dimensional thermomechanical constitutive equation that can be used in the ABAQUS finite element simulation was derived. Then this paper compiled UMAT subroutine and simulated the thermomechanical behaviors of SMP smart mandrels. In addition, the properties of shape fixity and shape recovery ratio of SMP were considered in detail. Finally, filament winding experiments were proceeded on bottle-shaped and air duct-shaped mandrels and the simple and efficient demoulding of SMP mandrels were verified. The results showed the feasibility of SMP as the smart mandrels from practical application in the future. (C) 2013 Elsevier Ltd. All rights reserved.
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