Volume 40 Issue 1
Jan.  2014
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Liu Zhenguo, Shang Yuanchun, Dong Apeng, et al. Elastic properties computation for three-dimensional and four-directional braided composites based on an improved model[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(1): 1-5. (in Chinese)
Citation: Liu Zhenguo, Shang Yuanchun, Dong Apeng, et al. Elastic properties computation for three-dimensional and four-directional braided composites based on an improved model[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(1): 1-5. (in Chinese)

Elastic properties computation for three-dimensional and four-directional braided composites based on an improved model

  • Received Date: 27 Mar 2013
  • Publish Date: 20 Jan 2014
  • In order to study the three-dimensional and four-directional braided composites on the basis of an improved unit cell model with rectangular cross-section, the relationship between the geometric properties of the cells and the braiding parameters were deduced with considering the effects of adhesive layers between adjacent yarns. The ANSYS software was used to build a finite element model (FEM) and obtained equivalent elastic performance parameters. The effects of the main process parameters on the elastic properties were discussed. The calculation results by the finite element model coincide well with the experimental data, which can relatively truly reflect the micro-structure of this material. They have the certain reference value for the three-dimensional braided composites design and technology.

     

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