Inverse Identification Method to Characterize the Behavior of Coupled Elasto-Plastic Coupled to Damage Model Using Modified Erichsen Test

Abstract:

This study presents experimental and numerical approaches to study the thermo-elasto-plastic behavior coupled to ductile damage of thin sheet. The study highlights the influence of temperature on the mechanical properties affecting the ability of forming aluminum sheet 1050A. The properties of the Swifts model hardening coupled to isotropic ductile damage variable and the Erichsen Index are obtained using inverse approach (Nelder-Mead method). The obtained results have established a correlation between the Index Erichsen formability of the material.

• Periodical: Advanced Materials Research (Volume 698)
• Pages: 21-28
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.698.21
• Online since: May 2013
• Authors: Mohamed Toumi Nasri, Slimani Faouzi, A. Ayadi, Abel Cherouat, Mohamed Ali Rezgui, Ali Zghal
• Keywords: Aluminum (Al), Damage, Erichsen, Finite Element Method (FEM), Hardening, Identification, Temperature

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