Finite Element Simulation of High Speed Machining of Ti6Al4V Alloy and the Corresponding Experimental Study

Abstract:

Finite element simulation of high speed machining of Ti6Al4V alloy was carried out based on the software of Abaqus. The Johnson-Cook constitutive model was chosen for the material of Ti6Al4V, the parameters of the model were obtained through the SHPB (Split Hopkinson Pressure Bar) experiment. The similarity of the chips obtained from the simulation and that obtained from the experiment indicated that the parameters of the Johnson-Cook constitutive model for Ti6Al4V alloy were reliable. Different cutting parameters and different tool geometric parameters were used in the simulations to find out their effects to the simulation results. Also a comparison was made between the results got form the simulations results and the experimental results, a good agreement between them indicated that the finite element simulation of high speed machining of Ti6Al4V is reliable, so it can be concluded that the finite element simulations of high speed machining can be widely used in practice to study the more about the machining process and reduce the experimental expenses.

• Periodical: Materials Science Forum (Volumes 836-837)
• Pages: 444-451
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.836-837.444
• Online since: January 2016
• Authors: Long Hui Meng
• Keywords: Constitutive Model, Finite Element, High Speed Machining, SHPB, Ti6Al4V

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