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Failure Mechanisms in Polymer Matrix Composites by E Greenhalgh, S Pinho, P Robinson

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7

Fibre-dominated compressive failure in polymer matrix composites

S.T. Pinho, R. Gutkin, S. Pimenta, N.V. De Carvalho and P. Robinson,     Imperial College London, Uk

Abstract:

Models describing longitudinal compressive failure of carbon fibre reinforced polymers (CFRP) have been attempted for decades. Despite many developments, no single model has surfaced to provide simultaneously a definitive explanation for the micromechanics of failure and validated predictions for a generic stress state. This chapter explores why, by presenting new experimental data (including scanning electron microscope (SEM) observations of loaded kink bands during propagation, and brittle shear fracture at 45 ° to the fibres) and proposing new micromechanics analytical ...

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