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Communication Dans Un Congrès Année : 2016

Orthogonal cutting simulation of OFHC copper using a new constitutive model considering the state of stress and the microstructure effects

Résumé

This work aims to develop an orthogonal cutting model for surface integrity prediction, which incorporates a new constitutive model of Oxygen Free High Conductivity (OFHC) copper. It accounts for the effects of the state of stress on the flow stress evolution up to fracture. Moreover, since surface integrity parameters are sensitive to the microstructure of the work material, this constitutive model highlights also the recrystallization effects on the flow stress. Orthogonal cutting model is validated using experimental designed cutting tests. More accurate predictions were obtained using this new constitutive model comparing to the classical Johnson-Cook model.
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Dates et versions

hal-01333567 , version 1 (24-06-2016)

Identifiants

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Lamice Denguir, José Outeiro, Guillaume Fromentin, Vincent Vignal, Rémy Besnard. Orthogonal cutting simulation of OFHC copper using a new constitutive model considering the state of stress and the microstructure effects. 7th CIRP HPC 2016, Jun 2016, Chemnitz, Germany. pp.238-241, ⟨10.1016/j.procir.2016.03.208⟩. ⟨hal-01333567⟩
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