Experimental behaviour of aeronautical notched carbon fibre reinforced thermoplastic panels under combined tension-shear-pressure loadings

The demonstration of compliance aeronautical structures with certification requirements is generally based on the building block approach, considering tests from coupon level up to full-scale level. Coupon-scale are numerous and focused uniaxial loading target elementary failure modes, whereas submitted complex combined loadings, leading costly test campaigns thousands coupons. This paper considers intermediate-scale study structural issues at element Thin flat samples (558 × 536 mm2) made carbon fibre reinforced thermoplastic a large, sharp central notch 100 mm considered. VERTEX rig used apply loadings in tension, shear internal pressure. Metrics defined computed describe multiaxial state scenario samples. Pressure addition clearly precipitates first for but not tension tests. With or without pressure, tend show lower equivalent fluxes than