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Hamza Djeloud https://orcid.org/0000-0002-0726-3466 Mustafa Moussaoui Ahmed Kellai Dahmane Hachi Filippo Berto Benattou Bouchouicha https://orcid.org/0000-0002-6051-5108 Brahim Elkhalil Hachi https://orcid.org/0000-0002-6672-746X

Abstract

This study has used the strain energy density (SED) approach to evaluate the stress intensity factor (SIF) of cracked cruciform welded joints in Hardox 450 steel. A microstructural analysis was made of Hardox 450 steel which is composed of refined and tempered low carbon martensite. The obtained results of simulation will be compared with those provided by J-integral methode for different enriched zones and contours based on the extended finite element method (XFEM) coupled with the level set technique (LST).  Crack initiation and propagation under cyclic loading have been adopted for the modeling of cruciform welded joints.

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    Section
    Fracture

    How to Cite

    Djeloud, H., Moussaoui, M., Kellai, A. ., Hachi, D. ., Berto, F., Bouchouicha, B. and Hachi, B. E. . (2022) “Investigation fatigue crack initiation and propagation cruciform welded joints by extended finite element method (XFEM) and implementation SED approach”, Frattura ed Integrità Strutturale, 16(60), pp. 346–362. doi: 10.3221/IGF-ESIS.60.24.

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