About the influence of the elastoplastic properties of the adhesive on the value of the $${\varvec{J}}$$-integral in the DCB sample

On elastic clamping boundary conditions in plate models describing detaching bilayers

“…An accurate description of the elastic clamping effects is needed in all problems where the solution requires the imposition of kinematic conditions to define force and moment resultants in the layers, for instance in the bulge and blister tests used to measure interfacial adhesion [3], in the wedge splitting test, in the novel inverted four-point bending test [4], or in buckle driven delamination of thin layers [5]; it improves, with minimal additional complexity, solutions based on elementary beam theory, e.g. [6,7,8,9]; it is necessary when using the compliance method to define fracture properties from experimental measurements of displacements; and is unavoidable for fracture mechanics calculations in the presence of shear forces, since the effects of crack tip shear on the rotations of the clamping sections give an important contribution to the energy release rate, even in systems with very long cracks [10].…”