Analysis and design of smart mandrels using shape memory polymers

被引:52
|
作者
Zhang, Lei [1 ]
Du, Haiyang [2 ]
Liu, Liwu [2 ]
Liu, Yanju [2 ]
Leng, Jinsong [1 ]
机构
[1] Harbin Inst Technol, Ctr Composite Mat, Harbin 150080, Peoples R China
[2] Harbin Inst Technol, Dept Astronaut Sci & Mech, Harbin 150001, Peoples R China
基金
中国国家自然科学基金;
关键词
Shape memory polymer (SMP); Three-dimensional constitutive equation; Finite element simulation; Smart mandrel; MECHANICAL-VISCOELASTIC MODEL; POLYURETHANE SERIES; COMPOSITES; BEHAVIORS;
D O I
10.1016/j.compositesb.2013.10.085
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
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.
引用
收藏
页码:230 / 237
页数:8
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