The Effect of Wall Thickness Variation of K sub I for the Proposed C-Shaped Specimen

摘要

Finite element stress intensity factor solutions have been developed for the C-shaped specimen to study the effect of wall thickness variation on K sub I. Wall thickness variation arises when the inside and outside radii of the specimen are not concentric resulting in a specimen which is not symmetric with respect to the plane of the crack. This nonsymmetry causes shear stresses to develop on the plane of the crack which results in Mode II sliding in addition to the mode I opening of the crack surfaces.