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National Library of Serbia
Influence of temperature and plastic deformation on AA2024 T3 friction stir welded joint microstructure
This paper deals with analysis and comparison of the equivalent plastic strain and temperature fields in the aluminium alloy 2024 T3 (AA2024 T3) joint, with macro/microstructure appearance and hardness profile. In the alloys hardened by heat treatment, grain size and particle size of the precipitate are functions of equivalent plastic strain, strain rate and temperature. By analysing the equivalent plastic strain fields and temperature fields it is possible, to some extent, to capture the effect...
Download 2023 Darko Veljic , Nenad Radovic , Darko Bajić , Aleksandar Sedmak , Bojan Medjo , Mihailo Mrdak , Marko Rakin
National Library of Serbia
Thermo-mechanical analysis of linear welding stage in friction stir welding: Influence of welding parameters
The influence of friction stir welding parameters on thermo-mechanical behavior of the material during welding is analyzed. An aluminum alloy is considered (Al 2024 T351), and different rotating and welding speeds are applied. The finite element model consists of the working plate (Al alloy), backing plate and welding tool. The influence of the welding conditions on material behavior is taken into account the application of the Johnson-Cook material model. The rotation speed of the tool affects...
Download 2022 Darko Veljic , Nenad Radovic , Darko Bajić , Aleksandar Sedmak , Bojan Medjo , Mihailo Mrdak , Marko Rakin
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