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

Jalalvand, Meisam and Fotouhi, Mohammad and Leong, Mun Choong and Wisnom, Michael R. (2017) A novel technique to accurately measure the fibre failure strain in composite laminates under a combined in-plane tension and shear stress state. In: 21st International Conference on Composite Materials, ICCM 2017, 2017-08-20 - 2017-08-25.

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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.

ORCID iDs

Jalalvand, Meisam ORCID logoORCID: https://orcid.org/0000-0003-4691-6252, Fotouhi, Mohammad, Leong, Mun Choong and Wisnom, Michael R.;
CORE (COnnecting REpositories)