Research on tensile properties and size effect of 3D four-directional braided composites

Baolai Wang, Zhenqing Wang, Guodong Fang, Jun Liang, Li Min Zhou

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

3 Citations (Scopus)

Abstract

By the macroscopic tensile tests of the 3D four-directional braided composites, the failure pattern and fracture morphology of specimens with different geometric sizes have been observed. It is obtained that the different failure mechanisms and the material properties are relevant to the geometric sizes of samples under tensile states. The elastic properties of the braided composites are obtained by volume average method. The variation of shear modulus and Poisson ratio is obtained as well. It is shown that the elastic modulus increases with the increase of number of interior cells. The predicted results are in agreement with the experimental results. The results may provide experimental basis for further study on strength prediction and the establishment of strength criterion for 3D four-directional braided composites.
Original languageEnglish
Title of host publicationEnvironmental Biotechnology and Materials Engineering
PublisherTrans Tech Publications Ltd
Pages2183-2186
Number of pages4
ISBN (Print)9783037850220
DOIs
Publication statusPublished - 1 Jan 2011
Externally publishedYes

Publication series

NameAdvanced Materials Research
Volume183-185
ISSN (Print)1022-6680

Keywords

  • 3D braided
  • Composites
  • Size effect
  • Tensile experiment
  • Volume average method

ASJC Scopus subject areas

  • General Engineering

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