Evaluation of flexural modulus of carbon 3D orthogonal woven fabric using atrilinear model

Minapoor, Shohreh ; Ajeli, Saeed ; Sheikhzadeh, Mohammad

Abstract

Bending behaviour of 3D orthogonal carbon weave composite reinforcement has been investigated. The threepointbending test method has been employed and the load-deflection curves are examined. The influence of carbonfibre tow type, yarn insertion and tension of longitudinal yarns on fibre volume fraction and bending properties ofnon-crimp 3D orthogonal carbon weave is discussed. It is found that carbon fibre bending properties due to crosssectionshape and geometry have a great impact on bending behavior of non-crimp 3D orthogonal carbon weave.Increasing the number of transversal yarns layers and tension of longitudinal yarns increases both fibre volumefraction and bending modulus of non-crimp 3D orthogonal carbon weave. From the bending properties calculated, thefactors for improving fibre volume fraction and bending behavior of non-crimp 3D orthogonal carbon weaves arediscussed.


Keyword(s)

3D Orthogonal weave;Carbon fibres;Flexural modulus;Non-crimp fabric;Three-point bending;Trilinearmodel;Woven fabric

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