International Journal of Aeronautical and Space Sciences

The Korean Society for Aeronautical and Space Sciences (한국항공우주학회)
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Prediction of Effective Material Properties for Triaxially Braided Textile Composite

  • Geleta, Tsinuel N. (Department of Civil Systems Engineering, Chungbuk National University) ;
  • Woo, Kyeongsik (School of Civil Engineering, Chungbuk National University) ;
  • Lee, Bongho (Nexcoms Co., LTD)
  • Received : 2016.07.29
  • Accepted : 2017.03.31
  • Published : 2017.06.30
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Abstract

In this study, finite element modeling was used to predict the material properties of tri-axially braided textile composite. The model was made based on an experimental test specimen which was also used to compare the final results. The full interlacing of tows was geometrically modelled, from which repeating parts that make up the whole braid called unit cells were identified based on the geometric and mechanical property periodicity. In order to simulate the repeating nature of the unit cell, periodic boundary conditions were applied. For validation of the method, a reference model was analyzed for which a very good agreement was obtained. Material property calculation was done by simulating uniaxial and pure shear tests on the unit cell. The comparison of these results with that of experimental test results showed an excellent agreement. Finally, parametric study on the effect of number of plies, stacking type (symmetric/anti-symmetric) and stacking phase shift was conducted.

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  2. Failure Analysis of Triaxially Braided Composite Under Tension, Compression and Shear Loading pp.2093-2480, 2019, https://doi.org/10.1007/s42405-019-00152-x