Laminated paperboard is one of the main materials used in packaging industry. The manufacturing process of such material leads to a special distribution of the fibers. Such distribution gives the material an anisotropic elastic-plastic behavior. The formulation of the final packages requires different complicated industrial processes such as creasing and folding. During these processes, the material undergoes large deformations, which requires analyzing the material in the large strains regime. In the following chapter, the analysis of the anisotropic elasto-plastic behavior of the material will be introduced in the small strains regime, and then extended to the large strains regime. The punch test will be presented at the end of this chapter and will be used for the validation of the model as it contains complex loadings.
Paper Anisotropic plasticity Large strains Isotropic hardening
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We gratefully acknowledge the scientific support from Prof. Stefanie Reesefrom RWTH Aachen University.
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