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Role of plastic zone in crack growth direction criterion under mixed mode loading |
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| Authors: | K Golos B Wasiluk |
| Affiliation: | (1) Institute of Machine Design Fundamentals, Warsaw University of Technology, 84 Narbutta Str, 02-524 Warsaw, Poland;(2) Institute of Machine Design Fundamentals, Warsaw University of Technology, 84 Narbutta Str, 02-524 Warsaw, Poland |
| Abstract: | An approach to determine the crack growth direction under mixed-mode loading conditions is presented. The plastic zone shape around the crack tip is applied for evaluating angle of crack propagation. It is proposed that a mixed-mode crack will extend along the plastic zone radius with a minimum value. The prediction of the proposed criterion is compared with the experimental data and other models. The agreement is fairly good. |
| Keywords: | Mixed-mode loading plastic zone crack growth direction |
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