Measurement of the compressive crack resistance curve of composites using the size effect law

This paper presents a new methodology to measure the compressive crack resistance curve of the longitudinal plies of carbon–epoxy laminates. The methodology is based on three main steps: the first one corresponds to the determination of the energy release rate of cross-ply laminates with two edge cracks using a parametric finite element model. The energy release rate is used in the definition of a relation between the crack resistance curve and...