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Tensile properties of 3D multi-layer wrapping braided composite: Progressive damage analysis

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journal contribution
posted on 2019-08-22, 15:06 authored by Xiaopei Wang, Deng'an Cai, Vadim SilberschmidtVadim Silberschmidt, Jian Deng, Honglei Tian, Guangming Zhou
An experimental and numerical study on mechanical properties and damage behavior of 3D multi-layer wrapping braided composite under axial tensile load is presented. The braiding process of this material is introduced and its tensile properties are obtained in tensile tests. Numerical simulations employ periodical boundary conditions, with interface elements between yarns and matrix added to improve the accuracy of prediction. 3D Hashin-type criteria and Von-Mises stress criterion are employed as damage initiation criteria for yarns and matrix, respectively. The obtained numerical results show a good agreement with the experimental data. The load-bearing capacity and failure mechanisms of 3D multi-layer wrapping braided composites under axial tensile loading are also discussed. A stress distribution shows that the axial yarns are the main load-bearing component of the composite. The main failure mode of the yarns is the yarn-matrix tensile cracking in the width direction, followed by the yarn-matrix tensile cracking in the thickness direction and fibre tensile failure. When the fibres in axial yarns begin to break, the material loses its load-bearing capacity.

Funding

China Scholarship Council (Grant No. 201706830061)

Fundamental Research Funds for the Central Universities (Grant No. NS2019001)

Shanghai Aerospace Science and Technology Innovation Fund (Grant No. SAST2018-071)

Priority Academic Program Development of Jiangsu Higher Education Institutions

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

Composites Part B: Engineering

Volume

176

Publisher

Elsevier

Version

  • AM (Accepted Manuscript)

Rights holder

© Elsevier Ltd

Publisher statement

This paper was accepted for publication in the journal Composites Part B: Engineering and the definitive published version is available at https://doi.org/10.1016/j.compositesb.2019.107334.

Acceptance date

2019-08-11

Publication date

2019-08-12

Copyright date

2019

ISSN

1359-8368

Language

  • en

Depositor

Prof Vadim Silberschmidt

Article number

107334

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