Identifying polymeric constitutive equations for incremental sheet forming modeling

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Abstract

Recent publications have revealed an increasing interest in forming polymer materials using Incremental Sheet Forming. Therefore, several constitutive material models are being developed in an attempt to predict the physical response of polymeric materials during the process. This paper discuss several material models that could be used to predict experimental data collected on samples of PVC and PC subjected to simple uniaxial test performed at various temperatures and testing speeds. The results have shown that the Marlow and the rule of mixture material models could be used to describe viscoelastic and softening and permanent set effects, respectively, to predict the behaviour of a part formed by Incremental Sheet Forming.

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Bagudanch, I., Martínez-Romero, O., Elías-Zúñiga, A., & Garcia-Romeu, M. L. (2014). Identifying polymeric constitutive equations for incremental sheet forming modeling. In Procedia Engineering (Vol. 81, pp. 2292–2297). Elsevier Ltd. https://doi.org/10.1016/j.proeng.2014.10.323

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