Crack paths under mixed mode loading |
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| Authors: | J.R. Yates M. Zanganeh R.A. Tomlinson M.W. Brown F.A. Diaz Garrido |
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| Affiliation: | 1. Department of Mechanical Engineering, The University of Sheffield, S1 3JD, UK;2. Departamento de Ingeniería Mecánica y Minera, Universidad de Jaen, Spain;1. Central European Institute of Technology (CEITEC), Brno University of Technology, Technická 3058/10, CZ-61600 Brno, Czech Republic;2. Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, Jahnstr. 12, A-8700 Leoben, Austria;3. Department of Materials Physics, Montanuniversität Leoben, Jahnstr. 12, A-8700 Leoben, Austria;4. Faculty of Mechanical Engineering, Brno University of Technology, Technická 2, CZ-61669 Brno, Czech Republic;1. Department of Civil and Materials Engineering, University of Malaga, C/Dr Ortiz Ramos s/n, 29071 Malaga, Spain;2. Department of Materials Science and Metallurgy Engineering, University of Jaen, Campus Las Lagunillas, 23071 Jaen, Spain;3. Jacobs Technology, NASA Johnson Space Center, Houston TX, USA |
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| Abstract: | Long fatigue cracks that initially experience mixed mode displacements usually change direction in response to cyclic elastic stresses. Eventually the cracks tend to orient themselves into a pure mode I condition, but the path that they take can be complex and chaotic. In this paper, we report on recent developments in techniques for tracking the crack path as it grows and evaluating the strength of the mixed mode crack tip stress field. |
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