Recent Progress on Weave-reinforced-shape-memory-composite Based Space Deployable Truss

被引：0
|
作者：
Gao J. [1 ]
Fang G. [2 ,3 ]
Yu B. [2 ,3 ]
Fan P. [1 ]
Chen W. [1 ]
Zhao B. [1 ]
Cao Z. [2 ,3 ]
机构：
[1] Space Structures Research Center, Shanghai Jiao Tong University, Shanghai
[2] Institute of Aerospace System Engineering Shanghai, Shanghai
[3] Space Structure and Mechanism Technology Laboratory of China Aerospace Science and Technology Group Co.Ltd, Shanghai
来源：
Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | 2020年 / 56卷 / 05期
关键词：
ABD stiffness matrix; Composite beam element; Shape memory constitutive model; Space deployable truss; Weave-reinforced composite;
D O I：
10.3901/JME.2020.05.080
中图分类号：
学科分类号：
摘要：
The manufacture, shape memory mechanical behavior, multi-scale mechanical model and test of a particular weave-reinforced shape memory polymer composite oriented on large space deployable truss is summarized. The longitudinal rod is a thin-walled pipe made of two-dimensional weave-reinforced composite, which is prepared by adding the two-dimensional carbon fabric to the shape memory epoxy resin. The shape memory properties can be controlled by adjusting the ratio of matrix resin to curing agent. The shape memory constitutive model is formulated according to the phase transition theory and validated by the three-point bending test. The homogenized ABD stiffness matrix of the composite is calculated by microscopic, mesoscopic and macroscopic multi-scale methods. A beam element for the thin-walled tube is derived according to the Kirchhoff hypothesis. The advanced ground platform is developed to demonstrate that the shape memory deployable truss unit has a package ratio of 50:1 and a shape recovery rate is around 100%. © 2020 Journal of Mechanical Engineering.
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页码：80 / 92
页数：12
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