Abstract

Linear elastic criterion of the inclined semi-elliptical crack growth direction is elaborated on the basis of the strain energy density theory. Stress and displacement fields are presented for higher order terms asymptotic expansion. Solutions for elastic stress intensity factors are accounting for the function describing of the crack tip fields near the free surface of plate. The mixed mode behavior of crack growth direction angle along the semi-elliptical crack front for different combination of biaxial loading, inclination crack angle and surface flaw geometry is determined.

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