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    Designing and modeling U-notch fatigue sensor to predict the fatigue life of structural components
    (Elsevier - Division Reed Elsevier India Pvt Ltd, 2019) Alshahbouni, Tariq; Gungor, Ali
    Fatigue sensors are used as Structural Health Monitoring (SHM) mechanisms to detect damage on structural components before any failures occur. In this study, a U-notched fatigue sensor was designed and analyzed to predict the fatigue life before catastrophic failure occurs. The ANSYS workbench software and 7075-T6 aluminum alloy were used to model and analyze our U-notch type fatigue sensor. The sensor model consisted of four beams of 305 x 76.2 x 1.6 mm (length x width x thickness) dimensions with different fatigue U-notch radii. It was observed that fatigue life increased with an increase in the U-notch radius. However, the value of the maximum equivalent stress decreased with an increase in the notch radius. In addition, fatigue damage occurred around the U-notch radius when the U-notch radius was equal to or less than 6.4 mm. (C) 2018 Karabuk University. Publishing services by Elsevier B.V.