Abstract
FEM simulation are of growing importance in the research of phenomena related to the machining processes. To accurately model the machining process, an appropriate constitutive model needs to be employed. A Johnson-Cook (J-C) material model is frequently used for numerical simulations of various machining processes. J-C model parameters for a range of materials are available in open literature, with substantial differences between parameter values for the same material depending on the source. The aim of this work was to investigate the effect of changes in values of J-C model parameters on the results of an FEM oblique turning simulation. Impact of parameter values was evaluated on the basis of differences in chip shape, stress distribution and cutting force values obtained for several different parameter sets. The authors have noted significant differences in simulation results. Depending on used parameter values.
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Löschner, P., Jarosz, K. (2019). Investigation of the Effect of Johnson-Cook Constitutive Model Parameters on Results of the FEM Turning Simulation. In: Hloch, S., Klichová, D., Krolczyk, G., Chattopadhyaya, S., Ruppenthalová, L. (eds) Advances in Manufacturing Engineering and Materials. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-99353-9_34
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DOI: https://doi.org/10.1007/978-3-319-99353-9_34
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