FEM simulation of the linear friction welding of titanium alloys

The complete process of linear friction welding of Ti6Al2Sn4Cr6Mo in two conditions (β- and α + β-forged) was simulated using the Finite Element Method. A full structural–thermal coupled transient 3D-analysis was conducted. Two different industry-relevant geometries of contact area (prismatic and blade like) were chosen. The axial shortening–time dependences were calculated. The results are analysed and compared with experimental data including microstructure and hardness profiles.