Article | REF: BM7764 V3

Numerical modeling of friction stir welding

Author: Eric FEULVARCH

Publication date: May 10, 2021, Review date: July 6, 2021

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1. Modeling the physical phenomena involved in the welding phase

Numerical modelling of FSW welding is a complex problem involving strong physical couplings, in particular between mechanics, thermics and metallurgy. .

FSW welding is a material-free process in which heat is generated solely by the dissipation induced by the mixing of the base material and its intense friction on the tool. The tool is driven in rotation and translation along the joint to be welded, as shown in figure 1 for the butt welding of two thin metal sheets.

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Modeling the physical phenomena involved in the welding phase