FE simulation for the forging process of TC6 alloy disc utilising a microstructural model

The interaction between the deformation behavior and microstructural evolution is the main characteristic in the forging process of a titanium alloy and the interaction can be researched using FE simulation. In this paper, a constitutive equation, considering the effects of grain size on the deformation behavior, is established for high temperature deformation of titanium alloys. Also, FE simulation of deformation behavior combined with heat transfer and grain size in the forging process of TC6 alloy disc is carried out. By FE simulation, the deformation distribution and grain size were illustrated for the forging of a TC6 alloy disc at 920 °C deformation temperature and 2.0 mm/s of hammer velocity. The calculated deformation load and grain size are in a good agreement with the experimental results.