Abstract
In this study, mixed mode-I/III fatigue crack propagation is examined experimentally and numerically by using spherical porous cylindrical specimen. The crack propagation path, profiles of crack front, the differences of stress intensity factors (SIF) and equivalent SIF were computed by Ansys, FCPAS and Solidworks softwares and compared with experimental data. Modeling, meshing and problem solving were performed using ANSYS, and the resulting SIF and equivalent SIF along the crack front were calculated using FCPAS. Two digital cameras were used to observing the crack growth path and fractured surfaces on specimen under mixed mode loading and the obtained images was converted into 3D CAD data by using Solidworks software. It was found that good agreements are achieved between the results of the experiment and simulation, considering both evolving the crack propagation paths and crack front.
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