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Published in:
2009 | OriginalPaper | Chapter
Fatigue Design of Notched Components by a Multiscale Approach Based on Shakedown
Authors : K. Dang Van, H. M. Maitournan, J. F. Flavenot
Published in: Security and Reliability of Damaged Structures and Defective Materials
Publisher: Springer Netherlands
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This paper shows that fatigue limit of notched specimens under cyclic loading can be simply and accurately estimated by using elastic-plastic computations and averaging stress over a critical volume obtained by an optimisation process minimizing the dispersion between experiments and simulations. The fatigue limit criterion considered is the Dang Van one. Fatigue tests (tension-compression, bending and torsion) carried out by the Cetim, are used to calibrate the critical volume.