STRESS INTENSITY FACTORS IN ANISOTROPIC SANDWICH PLATE WITH A PART-THROUGH CRACK UNDER MIXED-MODE DEFORMATION

An adhesively bonded anisotropic plate containing a part-through crack under mixed mode deformation is investigated. The problem is reduced to a pair of Fredholm integral equations of the second kind by mathematical analysis. By solving these equations numerically shear stresses of the adhesive and stress intensity factors in the cracked plate are obtained. Numerical results are presented for tension loading and shear loading, respectively, for various fiber orientations of the laminated composite. The results indicate a fairly strong dependence of the stress intensity factor on the fiber orientation of plate.