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Materials 2018, 11(5), 731; https://doi.org/10.3390/ma11050731

Compressive Deformation Behavior of Closed-Cell Micro-Pore Magnesium Composite Foam

1
School of Material Science and Engineering, Hebei University of Technology, Tianjin 300130, China
2
School of Material Science and Engineering, Tianjin University, Tianjin 300354, China
*
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Received: 24 April 2018 / Revised: 3 May 2018 / Accepted: 3 May 2018 / Published: 4 May 2018
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Abstract

The closed-cell micro-pore magnesium composite foam with hollow ceramic microspheres (CMs) was fabricated by a modified melt foaming method. The effect of CMs on the compressive deformation behavior of CM-containing magnesium composite foam was investigated. Optical microscopy and scanning electron microscopy were used for observation of the microstructure. Finite element modeling of the magnesium composite foam was established to predict localized stress, fracture of CMs, and the compressive deformation behavior of the foam. The results showed that CMs and pores directly affected the compressive deformation behavior of the magnesium composite foam by sharing a part of load applied on the foam. Meanwhile, the presence of Mg2Si phase influenced the mechanical properties of the foam by acting as the crack source during the compression process. View Full-Text
Keywords: magnesium composite foam; ceramic microspheres; compressive behavior magnesium composite foam; ceramic microspheres; compressive behavior
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Wang, J.; Wang, N.; Liu, X.; Ding, J.; Xia, X.; Chen, X.; Zhao, W. Compressive Deformation Behavior of Closed-Cell Micro-Pore Magnesium Composite Foam. Materials 2018, 11, 731.

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