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Assessment of material models through simple machining tests

  • Symposium MS09: Machining and cutting
  • Published:
International Journal of Material Forming Aims and scope Submit manuscript

Abstract

The accuracy of the results obtained from FEM simulation of machining operations depends on the accuracy of input data. Among these, the flow stress data of the workpiece are extremely important together with the friction along the tool-chip interface. In this study, an identification procedure for the determination of material parameters that are used for the FEM simulation of machining processes is proposed. The procedure is based on the coupling of a numerical identification procedure and Arbitrarian Lagrangian Eulerian (ALE) Finite Element simulations of turning operations. An experimental campaign was developed in order to calibrate the model and to validate the procedure. The basic idea is to utilize only machining tests to properly define the material behaviour of the workpiece material, taking also into account the thermal phenomena involved in the process. The preliminary results of this analysis are discussed in the paper.

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Authors and Affiliations

  1. LMSP UMR 8106 CNRS-ENSAM-ESEM – F75013, 151 Boulevard de l’Hopital, Paris, France

    F. Chinesta

  2. Dept. of Mechanical Engineering, University of Calabria – 87036, Rende, Italy

    L. Filice, S. Rizzuti & D. Umbrello

  3. Dept. of Technology, Production and Management Eng., University of Palermo –90128, Palermo, Italy

    F. Micari

Authors
  1. F. Chinesta
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  2. L. Filice
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  3. F. Micari
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  4. S. Rizzuti
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  5. D. Umbrello
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Corresponding author

Correspondence to F. Chinesta.

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Chinesta, F., Filice, L., Micari, F. et al. Assessment of material models through simple machining tests. Int J Mater Form 1 (Suppl 1), 507–510 (2008). https://doi.org/10.1007/s12289-008-0171-4

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  • DOI: https://doi.org/10.1007/s12289-008-0171-4

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