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Large-Scale Phase-Field Simulations of Directional Solidified Ternary Eutectics Using High-Performance Computing

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High Performance Computing in Science and Engineering ´16

Abstract

The combination of different chemical elements allows to obtain new and improved materials, as required for novel applications. Especially directionally solidified multicomponent eutectic alloys exhibit a wide range of patterns in the microstructure, which are correlated to the mechanical properties. The pattern formation during solidification depends on the chemical elements and the applied process parameters. Large-scale phase-field simulations are used to study the pattern formation of directional solidified ternary eutectics. Three different systems, starting from a model system towards the system Al-Ag-Cu are investigated, using three growth velocities. The three-dimensional simulation results are quantitatively compared and a broad variety of arising patterns for the studied systems is found. The results of the velocity variation follow the predictions from the analytic Jackson-Hunt approach.

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Notes

  1. 1.

    The authors “J. Hötzer, M. Kellner and P. Steinmetz” contributed equally.

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Author notes

    Authors and Affiliations

    1. Institute of Applied Materials, Reliability of Components and Systems (IAM-ZBS), Karlsruhe Institute of Technology (KIT), Haid-und-Neu-Str. 7, 76131, Karlsruhe, Germany

      J. Hötzer, M. Kellner, P. Steinmetz, J. Dietze & B. Nestler

    2. Institute of Materials and Processes, Hochschule Karlsruhe Technik und Wirtschaft, Moltkestr. 30, Karlsruhe, Germany

      J. Hötzer, M. Kellner, P. Steinmetz, J. Dietze & B. Nestler

    Authors
    1. J. Hötzer
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    2. M. Kellner
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    3. P. Steinmetz
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    4. J. Dietze
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    5. B. Nestler
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    Corresponding author

    Correspondence to J. Hötzer .

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    Editors and Affiliations

    1. Zentrum für Informationsdienste und Hochleistungsrechnen (ZIH), Technische Universität Dresden, Dresden, Germany

      Wolfgang E. Nagel

    2. Abteilung für Angewandte Mathematik, Universität Freiburg, Freiburg, Germany

      Dietmar H. Kröner

    3. Höchstleistungsrechenzentrum Stuttgart (HLRS), Universität Stuttgart, Stuttgart, Germany

      Michael M. Resch

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    Hötzer, J., Kellner, M., Steinmetz, P., Dietze, J., Nestler, B. (2016). Large-Scale Phase-Field Simulations of Directional Solidified Ternary Eutectics Using High-Performance Computing. In: Nagel, W.E., Kröner, D.H., Resch, M.M. (eds) High Performance Computing in Science and Engineering ´16. Springer, Cham. https://doi.org/10.1007/978-3-319-47066-5_43

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