Determination of stress intensity factors for surface cracks using fatigue crack growth data |
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| Authors: | A. A. Aboutorabi M. J. Cowling |
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| Affiliation: | (1) Department of Mechanical Engineering, The University of Glasgow, G12 8QQ Glasgow, U.K.;(2) Present address: Department of Materials Technology, Brunel University, UB8 3PH Uxbridge, Middlesex, U.K. |
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| Abstract: | The fatigue growth of semi-elliptical surface cracks in a structural steel under constant amplitude tensile cycling loading is investigated. The AC potential technique is used for sizing and monitoring the profile development of the cracks. The data are used to determine the stress intensity factors along the entire crack front at different stages of crack growth where the effects of front face, finite thickness and finite width are continuously changing. Various numerical solutions are compared with the experimental results |
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