NDLI: Micromechanics Analysis of Elastic Properties of Flexible Matrix TWF Composites

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Micromechanics Analysis of Elastic Properties of Flexible Matrix TWF Composites

Content Provider	Scilit
Author	Li, Yichen Song, Yanping Hu, Fei
Copyright Year	2019
Description	Journal: Iop Conference Series: Materials Science and Engineering Using carbon fibers triaxial woven fabric (TWF) as a reinforcing material and compounding with a suitable flexible matrix material to form a composite shell film structure. It is a new type of high precision deployable antenna implementation. In this paper, the elastic properties of TWF composites using silicone rubber are studied. Using the micromechanics method, the three-dimensional unit cell characterizing the structural properties of the braided composite material is carried out. Homogenization finite element analysis will ultimately yield the elastic modulus of the entire composite. Firstly, considering the fiber bundle interlacing, the unit cell is finely geometrically modelled. Next, the unit cell is analyzed by finite element and periodic boundary conditions are applied. The method of homogenization is used to obtain the volume average stress and strain through six independent loading analysis, and the stiffness matrix is obtained, and the engineering constant is finally obtained. Finally, the effect of fiber volume fraction on elastic properties is analyzed. At present, there are few researches on flexible matrix TWF composites at home and abroad. The research on the elastic properties of the material has laid a solid foundation for further research on the performance of the material in the future.
Related Links	https://iopscience.iop.org/article/10.1088/1757-899X/688/3/033046/pdf
ISSN	17578981
e-ISSN	1757899X
DOI	10.1088/1757-899x/688/3/033046
Journal	Iop Conference Series: Materials Science and Engineering
Issue Number	3
Volume Number	688
Language	English
Publisher	IOP Publishing
Publisher Date	2019-11-01
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Materials Science and Engineering Mechanical Engineering Elastic Properties Twf Composites
Content Type	Text
Resource Type	Article

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