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Modelling and simulation of dynamic microstructure evolution of aluminium alloys during thermomechanically coupled extrusion process

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Abstract

The purpose of this work is to model the dynamic microstructure evolution of aluminium alloys during hot metal forming processes such as extrusion. To this end, a phenomenological model based on the physical assumption that evolution of microstructure properties saturates after reaching the steady-state forming conditions is formulated. This model in combination with a thermo-elastic viscoplastic material model is implemented in the Finite Element (FE) software Abaqus. Simulation results for the microstructural development during extrusion as a function of process conditions demonstrate the sensitivity of microstructure development to these conditions. Comparison of the simulation results for the microstructure evolution with corresponding experimental results show good qualitative agreement.

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Authors and Affiliations

  1. Institute of Mechanics, Department of Mechanical Engineering, TU Dortmund, Leonard-Euler-Strasse 5, D-44227, Dortmund, Germany

    Farhad Parvizian, Tobias Kayser, Benjamin Klusemann & Bob Svendsen

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  1. Farhad Parvizian
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  2. Tobias Kayser
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  3. Benjamin Klusemann
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  4. Bob Svendsen
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Correspondence to Farhad Parvizian.

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Parvizian, F., Kayser, T., Klusemann, B. et al. Modelling and simulation of dynamic microstructure evolution of aluminium alloys during thermomechanically coupled extrusion process. Int J Mater Form 3 (Suppl 1), 363–366 (2010). https://doi.org/10.1007/s12289-010-0782-4

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  • DOI: https://doi.org/10.1007/s12289-010-0782-4

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