A New Geometric Model for Three-Dimensional Braided Composites

Chen Bing Ni; Gao Feng Wei

doi:10.4028/www.scientific.net/AMM.662.15

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 662A New Geometric Model for Three-Dimensional...

A New Geometric Model for Three-Dimensional Braided Composites

Abstract:

According to the structural features of 3-D braided composites, the whole structure is divided into three types of sub-unit cells, these are the interior unit cell, the surface unit cell and the corner unit cell. Considering the bending of fiber bundle and the deformation of cross-section which are caused by the space fiber extrusion and twist together, the corresponding geometric analysis models for every type of sub-unit cell are established, and the engineering elastic constants of the 3-D braided composites are predicted. The results show that the calculated results well agree with the experimental results, and the effectiveness of the model is verified.

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Periodical:

Applied Mechanics and Materials (Volume 662)

Pages:

15-19

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.662.15

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Online since:

October 2014

Authors:

Chen Bing Ni*, Gao Feng Wei

Keywords:

Elastic Properties, Engineering Elastic Constants, Three-Dimensional Braided Composites, Unit Cell

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