Methodology for predicting degradation shape and depth of a CFRP during short-circuit current injection

Methodology for predicting degradation shape and depth of a CFRP during short-circuit current injection Jean Rivenc * (1), G Peres (1), Richard Perraud (2), Pascal Peyre (3), David Andissac (3), Christopher Albrieux (4), Francois Pons (4), Pierre-Henri Cadaux (4) * Corresponding author 1 : Airbus Group Innovations, Department TX5EE, building D42, 18 rue Marius Terce, 31025 Toulouse Cedex 2 : Airbus Group Innovations, Department TX5EE, 12 rue Pasteur, 92150, Suresnes, France 3 : Airbus SAS, Department EYNI1, building M01, 316 route de Bayonne, 31300 Toulouse, France 4 : Airbus SAS, Department ESMC3, 18 rue Marius Terce, building D41, 31025, Toulouse Cedex Email: firstname.lastname@airbus.com (with – for composed names, e.g. pierre-henri) Abstract - A methodology is presented in order to predict the degradation shape and depth of a CFRP (Carbon Fiber Reinforced Plastic) coupon when an ab-normal short-circuit current is injected. The study context and stakes are explained. The conditions under which degradation initiates, propagates and aborts, are exposed, depending on short-circuit (voltage, current) and aircraft breakers characteristics. The general methodology is exposed: the re