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Optimal Stator Design for Oxide Films Shearing Found by Physical Modelling

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Materials Processing Fundamentals 2019

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

Abstract

A new technology suggests breaking oxide films into small fragments or particles to play the role of a grain refiner. A high-shear mixer (HSM) with a rotor-stator impeller can produce mechanical breakage. Physical modelling with powders demonstrates the defragmentation potency of HSM. Optimisation methods are considered and a new design of HSM is proposed according to the experimental findings. This design improves the uniformity of mixing in the pseudo-cavern volume and exhibits the dispersion efficiency better than the design previously used. The understanding and development of high shear technology for processing of liquid metals is of great interest to the industry.

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Acknowledgements

Allocation of the equipment in the BCAST (Brunel University London) is highly appreciated. The first author is grateful for Ph.D. study funding from the Institute of Materials and Manufacturing, Brunel University London. The authors would also like to acknowledge Prof. Z. Fan, who initiated this research. The PIV measuring system was provided by the EPSRC Engineering Instrument Pool.

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Authors and Affiliations

  1. BCAST, Brunel University London, Uxbridge, UB8 3PH, UK

    Agnieszka Dybalska, Dmitry G. Eskin & Jayesh B. Patel

Authors
  1. Agnieszka Dybalska
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  2. Dmitry G. Eskin
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  3. Jayesh B. Patel
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Corresponding author

Correspondence to Agnieszka Dybalska .

Editor information

Editors and Affiliations

  1. Boston Metal, Woburn, MA, USA

    Guillaume Lambotte

  2. Iowa State University, Ames, IA, USA

    Jonghyun Lee

  3. Massachusetts Institute of Technology, Cambridge, MA, USA

    Antoine Allanore

  4. Massachusetts Institute of Technology, Cambridge, MA, USA

    Samuel Wagstaff

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© 2019 The Minerals, Metals & Materials Society

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Dybalska, A., Eskin, D.G., Patel, J.B. (2019). Optimal Stator Design for Oxide Films Shearing Found by Physical Modelling. In: Lambotte, G., Lee, J., Allanore, A., Wagstaff, S. (eds) Materials Processing Fundamentals 2019. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-05728-2_17

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