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Friction stir welding is one of the procedures for joining the parts in solid  state. Thermo-mechanical simulation of the friction stir welding of  high-strength aluminium alloys 2024 T3 and 2024 T351 is considered in this  work. Numerical models corresponding to the linear welding stage are  developed in Abaqus software package. The material behaviour is modelled by  Johnson-Cook law (which relates the yield stress with temperature, strain  and strain rate), and the Arbitrary Lagrangian-Eulerian technique is  applied. The difference in thermo-mechanical behaviour between the two  materials has been analysed and commented. The main quantities which are  considered are the temperature in the weld area, plastic strain, as well as  the rate of heat generation during the welding process. [Projects of the Serbian Ministry of Education, Science and Technological Development, Grant no. TR 34016 and Grant no. ON  174004]

Temperature fields in linear stage of friction stir welding: Effect of different material properties