Fracture behaviour of carbon nanotube and carbon fibre-reinforced, epoxy-matrix hybrid composite
by K. Chandra Shekar; N. Krishna Kanth; P.K. Subramanian; Anil Kumar; B. Anjaneya Prasad; N. Eswara Prasad
International Journal of Materials and Product Technology (IJMPT), Vol. 51, No. 1, 2015

Abstract: In the present study, fracture resistance of the carbon nanotubes (CNTs) and carbon fibre-reinforced, epoxy-matrix hybrid composite has been evaluated and reported. Load-displacement data with varying notch lengths (a/W ratio) were used to evaluate the fracture resistance in terms of K_Ic, J_Ic, J_c and R-curve, variation of JR with δ/δc, in two orthogonal directions. It has been concluded that the resistance to fracture is significantly greater in the longitudinal orientation of fibres than in the transverse orientation; more pertinently in case of all the three J-based parameters. Topological studies have also been conducted to understand the fracture behaviour.

Online publication date: Fri, 26-Jun-2015

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