Abstract
The plastic anisotropy of a sheet is measured by performing tension tests as well as by shear tests in different loading directions. In this paper, the main objective is to model the behavior of a 2024 aluminum alloy from experimental simple shear tests from several directions relative to the rolling direction. First, an experimental device of simple shear tests and the studied material are described. Second, the experimental results in terms of hardening curves are presented on three loading directions. In order to further refine the experimental part of this work, microstructural observations were conducted through transmission electronic microscopy (TEM) to show interactions between the precipitates and dislocations in studied material. Finally, several hardening laws are used to describe the isotropic hardening such as Hollomon law, Voce law, and Bron law. By smoothing experimental hardening curves shear stress–shear strain a selection is made in order to choose the most appropriate hardening law to identify the anisotropic parameters of the studied material.
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Acknowledgements
The authors gratefully acknowledge the members of the Mechanical Engineering Laboratory at National Engineering School of Monastir Tunisia [LGM] and TEMSCAN-CEMES of the Toulouse University for the TEM observations.
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Olfa, D., Amna, Z., Amen, G., Rachid, N. (2018). Plastic Behavior of 2024-T3 Under Uniaxial Shear Tests. In: Haddar, M., Chaari, F., Benamara, A., Chouchane, M., Karra, C., Aifaoui, N. (eds) Design and Modeling of Mechanical Systems—III. CMSM 2017. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-66697-6_102
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DOI: https://doi.org/10.1007/978-3-319-66697-6_102
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