Abstract
An equation for investigating the intensity of singularity in the stress field near the apex in a three-phase bonded structure formed from isotropic homogeneous rectangular wedges was derived using the theory of elasticity, in a previous paper. In this paper, the distributions of the intensity K for free surfaces subjected to normal loadings in a singular stress field represented by the types KrP-1 and K log r near the apex in the three-phase bonded structure with arbitrary wedge angles, are investigated. Theoretical values of K and numerical ones of K analyzed by the finite element method (FEM) are shown and discussed for different combinations of materials and wedge angles.
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