Steel foil reinforcement for high performance bearing strength in Thin‐Ply composites

Abstract This study investigates the influence of local hybridization Thin and Thick-Ply CFRP laminates on open-hole bearing properties. The area weight unidirectional prepregs used is 40 gsm in case Thin-Ply layers 160 gsm layers. steel a 1.4310 stainless-steel foil with same layer thickness as prepregs. In hybrid area, 90 ∘ were locally replaced by stainless patches. metal content varies from 6.25%, 12.5% to 25.0%. For notched laminates, open hole tensile strength significantly decreased thinner thicknesses. failure behavior changes complex delamination dominated brittle failure. By using foils regions stress concentrations, energy can be dissipated plastic deformation stresses deflected neighbouring areas. samples 25% increases 64% comparison reference specimens sensitivity towards concentrations decreases. increased up 54.6% material, due confinement resulting higher compressive at high stresses. stress–strain diagrams micrographs fibre reveal that damage initiated before maximum strength. However, offset increase concerning specific density material significantly.