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Structural Design and Performance Testing of SMPC Deployable Hinge

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Abstract:

SMPC (shape memory polymer composites) has many advantages as a hinge of spacedeployable antenna. The structure of the SMPC hinge is designed and tested in this paper. The basicmechanical properties of composites are calculated. Through finite element simulation, the bendingmoment of the positive and reverse of the lamella with the bending angle as the lamella with the fiberdifferent content, the bending of the lamella with different bending distances was simulated, and thecurves of bending moment with bending angle in different bending distances were obtained. Hingebending process simulation shows when the hinge begins to bend, the stress of the inner positivebending lamella is larger. The stress of the outside bending lamella increases with the increase of thebending angle. As for the relationship of moment-angle, the process of unfolding of the hinge isbasically the same as that of the lamellae. However, the hinge bending moment is much greater thanthe single layer lamella bending moment. The hinge with the structure of back-to-back can increasethe structure stiffness and the bending resilience ability. The tested moment of the hinge is similar tothe simulation result.

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Info:

Periodical:

Applied Mechanics and Materials (Volume 893)

Pages:

104-108

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.893.104

Citation:

Cite this paper

Online since:

July 2019

Authors:

Bao Xian Jia*, Wen Feng Bian, Ning Peng

Keywords:

Deployable Hinge, Performance Testing, Shape Memory Polymer, Structural Design

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© 2019 Trans Tech Publications Ltd. All Rights Reserved

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References

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