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Macro- and Micro-Simulation and Experiment Study on Microstructure and Mechanical Properties of Squeeze Casting Wheel of Magnesium Alloy

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Proceedings of the 4th World Congress on Integrated Computational Materials Engineering (ICME 2017)

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

Abstract

The macro- and micro-simulation based on a coupled thermo-mechanical simulation method using ANSYS® and phase field modeling with pressure effects were carried out for squeeze casting wheel of AT72 alloy. The mechanical properties at different positions of the wheel and under different pressures were analyzed by the macro- and micro-simulation and experimental results, and the corresponding strengthening mechanism was discussed. Firstly, the mechanical properties in spoke are better than those in rim due to higher integrity associated with more forced feeding including more liquid flow feeding and almost all of the plastic deformation feeding in spoke. Furthermore, the mechanical properties increase with pressure due to the enhanced forced feeding shown by the macro-simulation results and the more developed dendrite arms, finer dendrites and more solutes in dendrites under higher pressure indicated by the micro-simulation and experimental results. As analyzed, the mechanical properties are improved by applied pressure according to the strengthening mechanism , including strengthening associated with high integrity, fine-grain strengthening and solution strengthening.

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Acknowledgements

This work was supported by the National Key Research and Development Program of China (No. 2016YFB0701204) and the National Natural Science Foundation of China (No. 51175291). The authors would also like to thank the National Laboratory for Information Science and Technology at Tsinghua University for access to supercomputing facilities.

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Authors and Affiliations

  1. Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China

    Shan Shang & Zhiqiang Han

  2. General Motors China Science Laboratory, Shanghai, 201206, China

    Bin Hu

  3. Department of Materials Science and Engineering, The Ohio State University, Columbus, OH, 43210, USA

    Weihua Sun & Alan A. Luo

  4. Department of Integrated Systems Engineering, The Ohio State University, Columbus, OH, 43210, USA

    Alan A. Luo

Authors
  1. Shan Shang
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  2. Bin Hu
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  3. Zhiqiang Han
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  4. Weihua Sun
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  5. Alan A. Luo
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Corresponding authors

Correspondence to Shan Shang , Zhiqiang Han or Alan A. Luo .

Editor information

Editors and Affiliations

  1. Thermo Calc Software Inc., McMurray, Pennsylvania, USA

    Paul Mason

  2. Naval Surface Warfare Center, Fairfax, Virginia, USA

    Charles R. Fisher

  3. Boeing, Seattle, Washington, USA

    Ryan Glamm

  4. University of Florida, Gainesville, Florida, USA

    Michele V. Manuel

  5. MICRESS Group at ACCESS e.V., Aachen, Germany

    Georg J. Schmitz

  6. Kanpur, India

    Amarendra K. Singh

  7. Purdue University, West Lafayette, Indiana, USA

    Alejandro Strachan

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© 2017 The Minerals, Metals & Materials Society

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Shang, S., Hu, B., Han, Z., Sun, W., Luo, A.A. (2017). Macro- and Micro-Simulation and Experiment Study on Microstructure and Mechanical Properties of Squeeze Casting Wheel of Magnesium Alloy. In: Mason, P., et al. Proceedings of the 4th World Congress on Integrated Computational Materials Engineering (ICME 2017). The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-57864-4_25

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