Abstract
This work addresses a simple methodology to perform fatigue/fracture characterisation under mixed-mode I+II of composite bonded joints. The asymmetrical double cantilever beam and asymmetrical single-leg bending fatigue/fracture tests were considered to address mode-mixities with predominance of mode I and II, respectively. The modified Paris laws coefficients were correlated with the ones of other tests defining suitable relations describing the evolution of these coefficients as function of mode-mixity. These functions were input in a cohesive zone model appropriate for high-cycle fatigue under mixed-mode loading. It was observed that numerical fatigue lives and Paris laws are in accordance with the experimental results.
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