Fig. 8From: Recent advancements on the phase field approach to brittle fracture for heterogeneous materials and structures(from [37])a Geometry considered to study the effect of a crack impinging on an interface; b curve which separate the crack penetration and deflection cases for different impinging angles; transition from crack deflection, c to crack penetration, d for a brittle interface \((\Pi _2\rightarrow 0)\) with angle \(\theta = 30^\circ \) Back to article page