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Modeling the Multicomponent Columar-to-Equiaxed Transition of Alloy 625

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CFD Modeling and Simulation in Materials Processing 2016

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

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Abstract

A numerical model has been developed to study the effect of columnar dendrite growth kinetics and solid grain movement on macrosegregation in static castings. The model solves continuum equations for mass, momentum, species, and energy conservation during multicomponent solidification. The columnar-to-equiaxed transition is modeled to explore its effect on macrosegregation of nickel alloy 625. The location of the CET and macrosegregation level of alloy 625 is affected by changing the thermal boundary conditions. As the heat transfer coefficient was increased the columnar volume fraction of the ingot increased and the macrosegregation level decreased.

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Author information

Authors and Affiliations

  1. Purdue Center for Metal Casting Research, Purdue University School of Materials Engineering, 701 West Stadium Avenue, West Lafayette, IN, 47906, USA

    Kyle Fezi & Matthew J. M. Krane

Authors
  1. Kyle Fezi
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  2. Matthew J. M. Krane
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Editor information

Editors and Affiliations

  1. Metallurgical and Materials Engineering Department, The University of Alabama, Tuscaloosa, Alabama, USA

    Laurentiu Nastac (Associate Professor of Metallurgical and Materials Engineering, Key FEF Professor and the Director of the Solidification Laboratory and the UA-COE foundry) (Associate Professor of Metallurgical and Materials Engineering, Key FEF Professor and the Director of the Solidification Laboratory and the UA-COE foundry)

  2. University of Science and Technology Beijing, China

    Lifeng Zhang (Professor and the Dean of the School of Metallurgical and Ecological Engineering, Distinguished Professor) (Professor and the Dean of the School of Metallurgical and Ecological Engineering, Distinguished Professor)

  3. Yangtze River Scholars, China

    Lifeng Zhang (Professor and the Dean of the School of Metallurgical and Ecological Engineering, Distinguished Professor) (Professor and the Dean of the School of Metallurgical and Ecological Engineering, Distinguished Professor)

  4. University of Illinois, USA

    Brian G. Thomas (Gauthier Professor of Mechanical Engineering, Director of the Continuous Casting Consortium) (Gauthier Professor of Mechanical Engineering, Director of the Continuous Casting Consortium)

  5. Northeastern University (NEU), Shenyang, China

    Miaoyong Zhu (Professor and Dean of Metallurgy School (MS) (Professor and Dean of Metallurgy School (MS)

  6. Metallurgy Department, Montanuniversitaet Leoben, Austria

    Andreas Ludwig (Full Professor) (Full Professor)

  7. Materials Science and Technology Division, Oak Ridge National Laboratory, USA

    Adrian S. Sabau (Senior Research Staff Member) (Senior Research Staff Member)

  8. University of Greenwich, London, UK

    Koulis Pericleous (Chair of Computational Fluid Dynamics, Director of the Centre for Numerical Modelling and Process Analysis) (Chair of Computational Fluid Dynamics, Director of the Centre for Numerical Modelling and Process Analysis)

  9. Ecole des Mines de Nancy (Lorraine University), France

    Hervé Combeau (professor) (professor)

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© 2016 The Minerals, Metals & Materials Society

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Fezi, K., Krane, M.J.M. (2016). Modeling the Multicomponent Columar-to-Equiaxed Transition of Alloy 625. In: Nastac, L., et al. CFD Modeling and Simulation in Materials Processing 2016. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-65133-0_12

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