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Strengthening Due to the Percolating Eutectic Microstructure in Squeeze Cast MRI230D

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Magnesium Technology 2014

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Abstract

A 3D numerical image of the percolating eutectic in a squeeze cast MRI230D was incorporated into a finite element code to assess its deformation behaviour. The modelling revealed a high structural compliance, akin to the bending-dominated behaviour of cellular foams. At yield, contribution of the 3D network to the alloy’s strength was comparable with the dispersion strengthening expected from an equivalent volume fraction of dispersed particles. Incorporating damage effects into the model indicated that due to its high compliance the percolating microstructure can be expected to keep most of its structural integrity, reinforcing the alloy without compromising the ductility, for strains above 1%.

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Author information

Authors and Affiliations

  1. ARC Centre of Excellence for Design in Light Metals, Materials Engineering, The University of Queensland, QLD 4072, Australia

    Bao Zhang & Carlos H. Cáceres

  2. Carpenter Technology Corporation, PO Box 14662, Reading, PA, USA

    Anumalasetty V. Nagasekhar

Authors
  1. Bao Zhang
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  2. Anumalasetty V. Nagasekhar
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  3. Carlos H. Cáceres
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Corresponding author

Correspondence to Carlos H. Cáceres .

Editor information

Editors and Affiliations

  1. Department of Materials Science and Engineering, University of Florida, USA

    Michele V. Manuel (Assistant Professor) (Assistant Professor)

  2. Helmholtz-Zentrum Geesthacht Zentrum für Material- und Küstenforschung, Geesthacht, Germany

    Norbert Hort (head of the Magnesium Processing Department at the Magnesium Innovation Centre (MagIC) (head of the Magnesium Processing Department at the Magnesium Innovation Centre (MagIC)

  3. IND LLC, Canada

    Neale R. Neelameggham (“The Guru”) (“The Guru”)

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© 2014 TMS (The Minerals, Metals & Materials Society)

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Zhang, B., Nagasekhar, A.V., Cáceres, C.H. (2014). Strengthening Due to the Percolating Eutectic Microstructure in Squeeze Cast MRI230D. In: Alderman, M., Manuel, M.V., Hort, N., Neelameggham, N.R. (eds) Magnesium Technology 2014. Springer, Cham. https://doi.org/10.1007/978-3-319-48231-6_40

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