IJERT-EMS
IJERT-EMS

Investigation of the Reduction in the Interaction Inclusion-Cracked Notch Effect Using Composite Patches


Investigation of the Reduction in the Interaction Inclusion-Cracked Notch Effect Using Composite Patches
Authors : Belkacem Achour, Djamel Ouinas, Mustapha Boukendakdji, Mabrouk Touahmia
Publication Date: 09-05-2014

Authors

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.

Website: www.ijert.org

Volume/Issue:   Vol. 3 - Issue 5 (May - 2014)

e-ISSN:   2278-0181

Abstract

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 [1]. 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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