Friction model selection in FEM simulations of aluminium extrusion
by L. Donati, L. Tomesani, M. Schikorra, N. Ben Khalifa, A.E. Tekkaya
International Journal of Surface Science and Engineering (IJSURFSE), Vol. 4, No. 1, 2010

Abstract: Visioplastic analyses with the rod technique were performed in the extrusion of AA6060 alloy at different processing conditions in order to measure the friction effect at the billet-container interface. During the trials an accurate monitoring of the relevant process variables such as punch force and temperatures was performed in order to validate FEM simulations. Different FE codes were used to carry out the simulations: Deform, HyperXtrude, and Superform. A particular attention was given on evaluating the several coefficients of the available friction models by comparing the FEM results with experimental results.

Online publication date: Mon, 30-Nov-2009

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