The aims of the work were first to obtain the fatigue crack growth and life numerically and empirically and then compare the numerical results and experimental data. Grade 1 titanium plates with both symmetrically and anti-symmetrically waisted cracks were due to tension tests first to receive the load versus displacement diagrams and mechanical properties of strength and stiffness. Next from cyclic tests the load versus cycles curves were constructed and fatigue life obtained. The numerical analysis using finite element method and ANSYS workbench was to yield the numerical results of crack growth and life. From fracture mechanics, the critical crack length was considered as final failure, and then, the modified numerical results were received. The estimated crack growth rates showed that at high load ratios the rates were faster and the lives shorter; however, at low load rations both were reverse. The results in load versus cycles curves from two numerical method were found within acceptable errors with the experimental data.
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