Post buckling analysis of the shape memory polymer composite laminate bonded with alloy film |
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| Affiliation: | 1. Centre for Composite Materials, Science Park of Harbin Institute of Technology (HIT), P.O. Box 3011, No. 2 YiKuang Street, Harbin 150080, People’s Republic of China;2. Department of Astronautical Science and Mechanics, Harbin Institute of Technology (HIT), P.O. Box 301, No. 92 West Dazhi Street, Harbin 150001, People’s Republic of China;1. Department of Civil and Environmental Engineering, Amirkabir University of Technology, Tehran, Iran;2. Faculty of Mechanical Engineering, K.N. Toosi University of Technology, Tehran, Iran;1. College of New Energy and Materials, China University of Petroleum, Beijing, 102249, China;2. Hebei Key Laboratory of Electric Machinery Health Maintenance & Failure Prevention, North China Electric Power University, Baoding, 071003, China;3. Department of Physics, City University of Hong Kong, Kowloon, 999077, Hong Kong, China;4. College of Chemical Engineering and Environment, China University of Petroleum, Beijing, 102249, China;5. Jiangsu Smart Advanced Material Tech Co., Ltd, Xuzhou, 221000, China;6. Institute of Machinery Manufacturing Technology, China Academy of Engineering Physics, Mianyang, 621900, China |
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| Abstract: | As a new kind of smart materials, shape memory polymer composites (SMPCs) are being used in large in-space deployable structures. However, the recovery force of pure SMPC laminate is very weak. In order to increase the recovery force of a SMPC laminate, an alloy film was bonded on the surface of the laminate. This paper describes the post bulking behavior of the alloy film reinforced SMPC laminate. The energy term associate with this in-plane post buckling have been given .Based on the theorems of minimum energy, a mathematical model is derived to describe the relation between the strain energy and the material and geometry parameters of the alloy film reinforced SMPC laminate. The finite element model (FEM) is also conducted to demonstrate the validity of the theoretical method. The relation between the recovery force and the material geometry parameters were also investigated. The presented analysis shows great potential in the engineering application such as deployment of space structures. |
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| Keywords: | B Buckling A Laminates C Finite element analysis (FEA) Numerical analysis |
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