Abstract
Inertia friction welding is a solid state welding process with the small heat affected zone and the high joint quality and therefore expected to be a key manufacturing technology for the jet engine parts. However, development of welding process requires significant effort because it is a complicated thermo-mechanical phenomenon including the high speed friction and the large deformation at elevated temperature and difficult to understand. Simulation is expected as an effective tool in order to reduce long time and high cost experiments to find the process parameters. In this work, the simulation technology for inertia friction welding was developed by means of re-meshing techniques to avoid element distortion. A comparison with analytical result and experimental result was reported.
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