Author(s): Belkacem Achour, Djamel Ouinas, Mustapha Boukendakdji, Mabrouk Touahmia
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Vol. 3 - Issue 5 (May - 2014)
The understanding of the materials fracture requires a global study of the onset and propagation phenomena of cracks which, in general, occur in the high stress concentrations zones due to the geometrical and/or metallurgical effects . This allows also to explain the phenomenon of fracture onset and to quantify the SIF as a function of the geometry of the notch and the crack length. In this paper, the inclusion-notch interaction effect has been modelled using the finite element method. The effects of the spacing notch-inclusion and the rigidity ratio inclusion-matrix, are highlighted on the evolution of the SIF. The evolution of the SIF of a crack emanating from a notch inside the inclusion and the interaction with this latter is studied. The use of a composite patch to determine the SIF reduction due to the extent interaction crack-inclusion effect is also investigated.
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