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Structural Engineering and Mechanics Volume 50, Number 4, May25 2014 , pages 441-457 DOI: https://doi.org/10.12989/sem.2014.50.4.441 |
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Crack propagation and deviation in bi-materials under thermo-mechanical loading |
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Mourad Chama, Benali Boutabout, Abdelkader Lousdad, Wafa Bensmain and Bel Abbes Bachir Bouiadjra
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| Abstract | ||
| This paper presents a finite element based numerical model to solve two dimensional bi-material problems. A bi-material beam consisting of two phase materials ceramic and metal is modelled by finite element method. The beam is subjected simultaneously to mechanical and thermal loadings. The main objective of this study is the analysis of crack deviation located in the brittle material near the interface. The effect of temperature gradient, the residual stresses and applied loads on crack initiation, propagation and deviation are examined and highlighted. | ||
| Key Words | ||
| elasto-plastic; finite elements method (FEM); fracture mechanics; interface problems; numerical methods; crack/ damage detection/identification | ||
| Address | ||
| Mourad Chama, Benali Boutabout, Wafa Bensmain and Bel Abbes Bachir Bouiadjra : Laboratory of Mechanical and Physical of Materials (LMPM), University Djillali Liabes of Sidi Bel Abbes, BP 89, Street Ben M | ||