A novel technique to accurately measure the fibre failure strain in composite laminates under a combined in-plane tension and shear stress state

Meisam Jalalvand, Mohammad Fotouhi, Mun Choong Leong, Michael R. Wisnom

Research output: Contribution to conferencePaper

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Abstract

A simple and accurate test method is presented to investigate the influence of shear stresses on tensile failure of unidirectional carbon fibre/epoxy. Glass/carbon hybrid laminates are used to eliminate stress concentrations and avoid premature failure at the end-tabs. Free-edge delamination is suppressed using thin-plies. Angle-ply carbon/epoxy laminates have been designed to achieve combinations of tensile and shear stresses. It is shown that in-plane shear does not significantly affect the fibre failure strains.

Original languageEnglish
Number of pages5
Publication statusPublished - 25 Aug 2017
Event21st International Conference on Composite Materials, ICCM 2017 - Xi'an, China
Duration: 20 Aug 201725 Aug 2017

Conference

Conference21st International Conference on Composite Materials, ICCM 2017
CountryChina
CityXi'an
Period20/08/1725/08/17

Keywords

  • combined stress state
  • failure criterion
  • fibre failure strain
  • testing method
  • multi-axial loads

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