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A fully coupled thermo-mechanical model of friction stir welding

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Abstract

This paper presents a new developed fully coupled thermo-mechanical model of the friction stir welding process. Results indicate that the rotation of the shoulder can accelerate the material flow behavior near the top surface. The material deformation and the temperature field can have relations with the microstructural evolution. The texture of the appearance of the friction stir welds can correlate well with the equivalent plastic strain distributions on the top surface. The temperature field in the friction stir welding process is approximately symmetric to the welding line. The material flows in different thicknesses are different. The shoulder can have a significant effect on material behaviors on the top surface, but this effect is greatly weakened when the material gets closer to the bottom surface of the welding plate.

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Authors and Affiliations

  1. State Key Laboratory of Structural Analysis for Industrial Equipment, Department of Engineering Mechanics, Dalian University of Technology, Dalian, 116024, China

    Z. Zhang & H. W. Zhang

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  1. Z. Zhang
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  2. H. W. Zhang
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Correspondence to Z. Zhang.

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Zhang, Z., Zhang, H.W. A fully coupled thermo-mechanical model of friction stir welding. Int J Adv Manuf Technol 37, 279–293 (2008). https://doi.org/10.1007/s00170-007-0971-6

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  • DOI: https://doi.org/10.1007/s00170-007-0971-6

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