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Finite element analysis of bi-material interface notch crack behaviour |
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| Authors: | B. Serier B. Bachir Bouiadjra M. Belhouari |
| Affiliation: | LECM, Department of Mechanical Engineering, University of Sidi Bel Abbes, BP. 89, Cité Ben M’hidi 22000, Algeria |
| Abstract: | The finite element method is extended to the analysis of the behaviour of an interface crack in bi-material specimen with a central hole. First, only the notch effect is considered, the field of stress and variation of the stress concentration factor as a function of the Young’s modulus ratio are determined. Secondly, the notch interface crack behaviour is investigated, the variations of the stress intensity factor versus the Young’s modulus ratio and crack length are shown as well as the distribution of stresses in the plate and along the interface. |
| Keywords: | Normalised SIF Stress concentration factor Bi-materials Interface crack |
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